from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Resembling a pea in size or shape.
- n. A small bone at the junction of the ulna and the carpus.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resembling a pea in size or shape
- n. A small bone in the wrist at the junction of the ulna and the carpus
from the GNU version of the Collaborative International Dictionary of English
- adj. Resembling a pea or peas in size and shape.
- n. A small bone on the ulnar side of the carpus in man and many mammals. See Illust. of artiodactyla.
from The Century Dictionary and Cyclopedia
- Having the form of a pea, as an ossification in tendons at joints; having a structure resembling peas. A variety of iron ore is called pisiform, from its being made up of small rounded masses about the size of a pea.
- n. In anatomy, a sesamoid bone, of about the size and shape of a pea, developed in the tendon of the flexor carpi ulnaris muscle of man and some other animals.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small wrist bone that articulates only with the triquetral
Latin pīsum, pea; see pea + -form.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin pisum ("pea") + -form (Wiktionary)