adj. Of a bird, having a keeled breastbone allowing the attachment of flight muscles.
the GNU version of the Collaborative International Dictionary of English
adj. Shaped like the keel or prow of a ship; having a carina or keel.
The Century Dictionary and Cyclopedia
Shaped like or furnished with a keel; keeled.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. birds having keeled breastbones for attachment of flight muscles
adj. having a ridge or shaped like a ridge or suggesting the keel of a ship
Word Usage
"In my mind, "carinate" means that there is a distinct thickening of the shell carbonate along the perifery, not just a sharp change in curvature angular."