brachio-

brachio- Word Origin

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

Also especially before a vowel, brachi-. Origin of brachio- combining form representing Latin brāchium and Greek brachī́ōn British Dictionary definitions for brachio- brachio- before a vowel brachi- combining form

1. indicating a brachiumbrachiopod

Word Origin and History for brachio-

before a vowel, brachi-, word-forming element meaning “arm,” from Greek brakhion “arm,” perhaps originally “upper arm,” literally “shorter,” and from brakhys “short” (see brief (adj.)), in contrast to the longer forearm.

brachio- in Medicine brachio- pref.

1. Arm:brachiocephalic.