Definition of "carinated" []

• Carinate; shaped like a keel (adjective)

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• "Although he makes the point that the periphery is "hardly to be called keeled", to me "carinated", "angular" and "keeled" all mean more or less the same thing, especially when the degree of carination is variable."
• "One of the abundant species in Monocacy Natural Resources Area where I did a land snail survey was what Pilsbry1 called Anguispira alternata angulata, a keeled or carinated morph of Anguispira alternata."
• "In the southern part of Illinois there is a tendency for the shell of alternata to become carinated on the periphery, even when the spire is high."