1570s, from French corme, from Latin cornum "cornel-cherry" (but applied to service-berries in French); see cornel.
corm (kôrm) A fleshy underground stem that is similar to a bulb but stores its food as stem tissue and has fewer and thinner leaflike scales. The crocus and gladiolus produce new shoots from corms. Compare bulb, rhizome, runner, tuber. |