clitellus \cli*tel"lus\ (kl[i^]*t[e^]l"l[u^]s), n. [NL., prob.
fr. L. clitellae a packsadle.] (Zool.)
A thickened glandular portion of the body of the adult
earthworm, consisting of several united segments modified for
reproductive purposes.
[1913 Webster]