brachiopod (n.)Related entries & more
brachio-Related entries & more
before a vowel, brachi-, word-forming element meaning "arm, of the upper arm, pertaining to the upper arm and," from Greek brakhion "arm," perhaps originally "upper arm," literally "shorter," from brakhys "short" (from PIE root *mregh-u- "short"), in contrast to the longer forearm.
brassiere (n.)Related entries & more
"form-fitting undergarment to support a woman's breasts," by 1902, a euphemistic borrowing in the garment trade, from French brassière "child's chemise; shoulder strap" (17c.), from Old French braciere "arm guard" (14c.), from bras "an arm," from Latin bracchium "an arm," from Greek brakhion "an arm" (see brachio-). The French word was used 18c. in the sense "woman's underbodice."
armilla (n.)Related entries & more
1706, "bracelet," from Latin armilla "bracelet, armlet, arm ring," from armus "shoulder, upper arm" (from PIE root *ar- "to fit together"). Related: Armillary.
arms-length (n.)Related entries & more
bough (n.)Related entries & more
Old English bog "shoulder, arm," extended in Old English to "twig, branch of a tree" (compare limb (n.1)), from Proto-Germanic *bogaz (source also of Old Norse bogr "shoulder," Old High German buog "upper part of the arm or leg," German Bug "shoulder, hock, joint"), from PIE root *bhagu- "arm" (source also of Sanskrit bahus "arm," Armenian bazuk, Greek pakhys "forearm"). The "limb of a tree" sense is peculiar to English.
firearm (n.)Related entries & more
armlet (n.)Related entries & more
bracelet (n.)Related entries & more
"ornamental ring or clasped chain for the wrist," mid-15c., from Old French bracelet (14c.), diminutive of bracel, from Latin bracchiale "armlet," from bracchium "an arm, a forearm," from Greek brakhion "an arm" (see brachio-).