simple musical instrument with a terra-cotta body, a mouthpiece, and finger-holes, 1877, from Italian ocarina, diminutive of oca "goose" (so called for its shape), from Vulgar Latin *auca, from Latin avicula "small bird," diminutive of avis "bird" (from PIE root *awi- "bird").
obverse
obviate
obviation
obvious
oc-
ocarina
Occam's razor
occasion
occasional
occasionally
occident