1) Carinated 2) Keeled 3) Ridged 
keeled, having a ridge along the middle line 
Carinate is a shape in pottery, glassware and artistic design usually applied to amphorae or vases. The shape is defined by the joining of a rounded base to the sides of an inward sloping vessel. This design is seen in ancient cultures such as recovered in archaeological digs in such sites as the palace of Knossos in Minoan Crete. An alternate adj...
having a keel
• (a.) Alt. of Carinated
Keel-shaped.
keeled with one or more longitudinal ridges
Shaped like a ridge, or having a structure so shaped. ... (09 Oct 1997) ... 
keeled with one or more longitudinal ridges
Keeled; provided with a projecting central longitudinal line or ridge on the lower or under surface.
Type: Term Pronunciation: kar′i-nāt Definitions: 1. Shaped like a keel; relating to or resembling a carina.
having a keel
keeled, having a ridge along the middle line
[adj] - having or shaped like a carina or keel 2. [n] - birds having keeled breastbones for attachment of flight muscles
carinate 1. Birds having keeled breastbones for attachment of flight muscles. 2. Having or shaped like a carina or keel. 3. Having a ridge or shaped like a ridge or the keel of a ship.
carinate bird noun birds having keeled breastbones for attachment of flight muscles