costa
noun
a rib or riblike part.
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costa
1 American
[kos-tuh, kaw-stuh]
/ ˈkɒs tə, ˈkɔ stə /
noun
-
costae
plural
-
a rib or riblike part.
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the midrib of a leaf in mosses.
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a ridge.
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Entomology.
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Also called costal vein. a vein, usually marginal, in the anterior portion of the wing of certain insects.
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Also called costal margin. the anterior edge or border of the wing of certain insects.
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Costa
2
American
[kaw-stuh]
/ ˈkɔ stə /
noun
costa
British
/ ˈkɒstə /
noun
-
the technical name for rib 1
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a riblike part, such as the midrib of a plant leaf
costa
Scientific
/ kŏs′tə /
-
costae
plural
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of costa
1865–70; < Latin: rib, side. See coast
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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In St. Augustine, Fla., saying "It costa me ten bucks but I like mucha better," Shrimper Tomas DiGrande got permission to change the name of his boat from Il Duce to Diana.
From Time Magazine Archive
Billfish Bite Goes Loco Anglers release more than 2,000 sails and marlin in costa rica.
From Time Magazine Archive
Ah! there you go, you crafty old miser, in your guarda costa!
From Captain Brand of the "Centipede" A Pirate of Eminence in the West Indies: His Love and Exploits, Together with Some Account of the Singular Manner by Which He Departed This Life by H. A. (Henry Augustus) Wise
A little inside the middle of these wings, near the costa, is a round spot with a dark centre.
From Butterflies and Moths (British) by William S. Furneaux
Fructification arising from the under side of the costa.
From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray
Two more locations, in downtown L.A. and Costa Mesa, are scheduled to open in June and September 2027, respectively.
From Los Angeles Times ● Aug. 28, 2026
“Until very recently, Costa Rican democracy had been free from such practices.”
From The Wall Street Journal ● Aug. 27, 2026
Last season, the 24-year-old matched his shirt number by scoring 20 goals in all competitions, becoming the first Chelsea striker since Diego Costa to reach that mark nine years earlier.
From BBC ● Aug. 26, 2026
Around 10 leaders, including European Council chief Antonio Costa, will be in Kyiv for the coalition meeting, according to an EU official.
From Barron's ● Aug. 22, 2026
Terryl, after much consultation with April, decided to go on an LDS mission, to Costa Rica, in July 1989.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
Intercostal: between veins or costae; usually in the narrow grooves between veins in the costal region of a wing.
From Explanation of Terms Used in Entomology by John. B. Smith
Shells globular, but having radiating and tuberculated costae.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various
Shell not carinated, but with radiating costae, which are often bifurcated, aperture often with lateral projections which contract it, aptychus formed of two pieces.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various
Coeloplana is of similar form and habit, with two Ctenophoran tentacles: it has no costae, but is uniformly ciliated.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Its costae are very short, and retrusible; its two tentacles are pinnate and are also retrusible.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
