bicep/ˈbaɪsɛp/EtymologyBack-formation from biceps. In Latin, biceps is singular.bicep means A biceps. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA biceps.“My bicep, my poor little cluster of nearly muscle is being pressed into a funsize turkey nugget and I’m starting to perhaps regret my outing with this bunch of Brentford fans who have that slightly edgier reputation.”