\Cib"ol\, n. [F. ciboule, LL. cepula, cepola, dim. of L.
cepa, caepa, caepe, an onion. Cf. {Chibbal}, {Cives}.]
A perennial alliaceous plant ({Allium fistulosum}), sometimes
called Welsh onion. Its fistular leaves areused in cookery.