brachio-

1. a combining form meaning “arm,” “upper arm,” used in the formation of compound words:

   brachiopod.

brachio-

combining_form

1. indicating a brachium

   brachiopod

Word History and Origins

Origin of brachio-¹

Combining form representing Latin brāchium and Greek brachī́ōn

Example Sentences

Fecit potentiam in brachio suo: dispersit superbos mente cordis sui.

From Project Gutenberg

The brachio-thoracic triangle is much more marked on the right than on the left side.

From Project Gutenberg

Naso candentibus forcipibus abrepto, iisdemque brachio utroque ipsisque mammis crudelissime perustis.

From Project Gutenberg

In Synanceia brachio there are in the dorsal fin thirteen barbs, each connected with two poison reservoirs.

From Project Gutenberg

Seculari brachio potest eos compescere, nec tenetur rationibus certare ad vincendos protervientes.

From Project Gutenberg

Words That Use Brachio-

What does brachio- mean?

Brachio- is a combining form used like a prefix meaning “arm” or “upper arm.” It is often used in medical and scientific terms, especially in anatomy and in zoology.

Brachio- comes from the Greek brachī́ōn, meaning “arm.” A medical term for the upper arm is brachium, from Latin and related to the Greek brachī́ōn.

What are variants of brachio-?

When combined with words or word elements that begin with a vowel, brachio- becomes brachi-, as in brachialgia.

Examples of brachio-

A brachiosaurus was a huge sauropod dinosaur: it was over 80 feet (24 meters) long and about 40 feet (12 meters) tall, thanks to its massive neck. Its name comes from the New Latin Brachiosaurus, which dates back to 1903.

Life-Size Brachiosaurus. Field Station: Derby #jurassic #jurassicworld #jurassicpark #dino #dinosaur #jurassicworlddominion #dominion #jurassicfan #paleoart #Monday #MotivationalMonday

🦖❤️🦕 pic.twitter.com/NCMEiqfNVf

— The Jurassic Mag (@thejurassicmag) November 9, 2020

The brachio- part of brachiosaurus, using the equivalent form of brachio- in New Latin, means “arm.” The -saurus part of brachiosaurus is used to name extinct reptiles and dinosaurs, from the Greek saûros, meaning “lizard.” Brachiosaurus literally translates to “arm lizard.” The name is an allusion to the unusual length of the humerus (upper arm bone) relative to the femur (upper leg bone) in this creature.

What are some words that use the combining form brachio-?

• brachiocephalic
• brachiocrural
• brachiocubital
• brachiopod (using the equivalent form of brachio- in New Latin)
• brachioradialis

What are some other forms that brachio- may be commonly confused with?

• brachy-
• brady-
• branchio-

Break it down!

The combining form -cephalic refers to the “head.” What parts of the body does the brachiocephalic artery supply blood to?