Third-person singular simple present indicative form of keel.(verb)
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Use "keels" in a sentence
"The knotted elbows of the branches recall the keels of sturdy merchantmen of bygone days."
"Formerly coals used to be put on board vessels from the oval boats I have before mentioned, called keels, of which a considerable number are still employed."
"The chicks, known as "keels," resemble young quail."