Dictionary.com
Thesaurus.com

epididymis

American  
[ep-i-did-uh-mis] / ˌɛp ɪˈdɪd ə mɪs /

noun

Anatomy.

plural

epididymides

  1. an elongated organ on the posterior surface of a testis that stores sperm while they mature and constitutes the convoluted beginning of the vas deferens.

epididymis British  
/ ˌɛpɪˈdɪdɪmɪs /

noun

  1. anatomy a convoluted tube situated along the posterior margin of each testis, in which spermatozoa are stored and conveyed to the vas deferens

"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

Other Word Forms

  • epididymal adjective

Etymology

Origin of epididymis

1600–10; < Greek epididymís; epi-, didymous

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.