clitellum

[ klahy-tel-uh m ]
/ klaɪˈtɛl əm /

noun, plural cli·tel·la [klahy-tel-uh] /klaɪˈtɛl ə/.

a ring or saddle-shaped region of glandular tissue in the body wall of certain annelids, as earthworms and some leeches, that after copulation secretes a cocoon in which the eggs and sperm are deposited for fertilization and development.

Origin of clitellum

1830–40; < New Latin, neuter noun based on Latin clītellae packsaddle
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British Dictionary definitions for clitellum

clitellum

/ (klɪˈtɛləm) /

noun plural -la (-lə)

a thickened saddle-like region of epidermis in earthworms and leeches whose secretions bind copulating worms together and later form a cocoon around the eggs

Word Origin for clitellum

C19: from New Latin, from Latin clītellae (plural) packsaddle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012