Spermatozoa

[spur-muh-tuh-zoh-uhn, -on, spur-mat-uh-]

sper·ma·to·zo·on

[spur-muh-tuh-zoh-uhn, -on, spur-mat-uh-]
noun, plural sper·ma·to·zo·a [-zoh-uh] . Cell Biology.
one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.

Origin:
1830–40; < Neo-Latin; see spermato-, -zoon

sper·ma·to·zo·al, sper·ma·to·zo·an, sper·ma·to·zo·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Spermatozoa is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
American Heritage
Science Dictionary
spermatozoon   (spər-māt'ə-zō'ŏn')  Pronunciation Key 
Plural spermatozoa
A sperm cell produced in the testis of an animal.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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