chela(redirected from chelas)
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n. pl. che·lae (-lē)
A pincerlike claw of a crustacean or arachnid, such as a lobster, crab, or scorpion.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
chelathe large pincer-like claw of crabs and lobsters, formed from the modification of the 5th segment (dactylopodite) and 6th segment (propodite) of the limb.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005