Third-person singular simple present indicative form of rappel.(verb)
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Use "rappels" in a sentence
"Standing in the camphorous light of the station, the glowing things of civilization all around her, a single silkworm rappels delicately from the ticket kiosk."
"This meant routes could be scouted, shots could be prepared, rappels could be rigged."
"A dozen rappels put us on easier terrain just as the sun set."