[ joint ]
See synonyms for: jointjointedjointingjoints on

  1. the place at which two things, or separate parts of one thing, are joined or united, either rigidly or in such a way as to permit motion; juncture.

  2. a connection between pieces of wood, metal, or the like, often reinforced with nails, screws, or glue.

  1. Anatomy, Zoology.

    • the movable or fixed place or part where two bones or elements of a skeleton join.

    • the form or structure of such a part, as a ball-and-socket, hinge, pivot, etc.

  2. Chiefly British. one of the large portions into which a section of meat is divided by a butcher, as the shoulder or leg, especially as served at a dining table.

  3. Slang.Also called jay2 . a marijuana cigarette.

  4. Slang.

    • a dirty, cheap, or disreputable place of public accommodation or entertainment, especially a restaurant or nightclub.

    • a place or establishment, as a hotel, restaurant, etc.:We stayed in a very classy joint near the ocean.

  5. Biology.

    • a part, especially of a plant, insect, etc., connected with another part by an articulation, node, or the like.

    • a portion between two articulations, nodes, or the like.

  6. Botany. the part of a stem from which a branch or leaf grows; node.

  7. Geology. a fracture plane in rocks, generally at right angles to the bedding of sedimentary rocks and variously oriented in igneous and metamorphic rocks, commonly arranged in two or more sets of parallel intersecting systems.

  8. Mathematics. knot1 (def. 12).

  9. the joint, Slang. prison: He got out of the joint just before Christmas.

  10. Slang: Vulgar. penis.

  1. shared by or common to two or more: a joint obligation.

  2. undertaken or produced by two or more in conjunction or in common: a joint reply; a joint effort.

  1. sharing or acting in common: joint members of a committee.

  2. joined or associated, as in relation, interest, or action: joint owners.

  3. Law. joined together in obligation or ownership: joint heirs.

  4. of or relating to both branches of a bicameral legislature.

  5. pertaining to or noting diplomatic action in which two or more governments are formally united.

verb (used with object)
  1. to unite by a joint or joints.

  2. to form or provide with a joint or joints.

  1. to cut (a fowl, piece of meat, etc.) at the joint; divide at a joint; separate into pieces at the joints: to joint a chicken.

  2. Carpentry.

    • to prepare (a board or the like) for fitting in a joint.

    • to true the bottom of (a wooden plane body) to allow even movement along the surface of the work.

  3. to file the teeth of (a saw) to uniform height.

  4. Masonry. to finish (a mortar joint), as by striking.

verb (used without object)
  1. to fit together by or as if by joints: The cinder blocks jointed neatly.

Idioms about joint

  1. out of joint,

    • dislocated, as a bone.

    • in an unfavorable state; inauspicious: The time is out of joint.

    • out of keeping; inappropriate: Such behavior seems wholly out of joint with their fine upbringing.

Origin of joint

1250–1300; 1900–05 for def. 6; Middle English <Old French joint, jointe <Latin junctum, juncta, neuter and feminine of junctus (past participle of jungere “to join”), equivalent to jung- join + -tus past participle suffix

Other words for joint

Other words from joint

  • subjoint, noun

Words Nearby joint Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use joint in a sentence

British Dictionary definitions for joint


/ (dʒɔɪnt) /

  1. a junction of two or more parts or objects

  2. the part or space between two such junctions

  1. anatomy the junction between two or more bones, usually formed of connective tissue and cartilage

  2. the point of connection between movable parts in invertebrates, esp insects and other arthropods: Related adjective: articular

  3. the part of a plant stem from which a branch or leaf grows

  4. one of the parts into which a carcass of meat is cut by the butcher, esp for roasting

  5. geology a crack in a rock along which no displacement has occurred

  6. slang

    • a disreputable establishment, such as a bar or nightclub

    • often facetious a dwelling or meeting place

  7. slang a cannabis cigarette

  8. out of joint

    • dislocated

    • out of order or disorganized

  9. put someone's nose out of joint See nose (def. 18)

  1. shared by or belonging to two or more: joint property

  2. created by combined effort

  1. sharing with others or with one another: joint rulers

  2. law (of persons) combined in ownership or obligation; regarded as a single entity in law

  1. to provide with or fasten by a joint or joints

  2. to plane the edge of (a board, etc) into the correct shape for a joint

  1. to cut or divide (meat, fowl, etc) into joints or at a joint

Derived forms of joint

  • jointly, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for joint


[ joint ]

  1. Anatomy A usually movable body part in which adjacent bones are joined by ligaments and other fibrous tissues. See also ball-and-socket joint hinge joint.

  2. Zoology A point in the exoskeleton of an invertebrate at which movable parts join, as along the leg of an arthropod.

  1. Botany A point on a plant stem from which a leaf or branch grows.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with joint


see nose out of joint; out of joint.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.