adjective. having a ridge or shaped like a ridge or suggesting the keel of a ship.
Example sentences of the word keeled
1. Verb, past tense
Marked by large eyes and strongly keeled scales, it varies in color from pale to dark brown.
2. Verb, past participle
The major difference between the two species is their scales: Rough earth snakes have keeled, or ridged, scales, while western smooth earth snakes sport smooth scales.