from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The largest, most prominent muscle of the calf of the leg, the action of which extends the foot and bends the knee.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The muscle at the back of the calf, whose insertion is the Achilles tendon at the heel.
from the GNU version of the Collaborative International Dictionary of English
- n. The muscle which makes the greater part of the calf of the leg.
from The Century Dictionary and Cyclopedia
- n. A superficial muscle of the posterior tibial region, arising from the femur and inserted into the tarsus, the action of which extends the foot upon the leg, and flexes the leg upon the thigh: so called from its character in man, in whom it forms, together with the soleus, the protuberant or “bellying” part of the calf of the leg.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot
New Latin gastrocnēmius, from Greek gastroknēmiā, calf of the leg : gastro-, belly (from its belly-like shape); see gastro- + knēmē, leg.(American Heritage® Dictionary of the English Language, Fourth Edition)