Reef (Verb)
Meaning 1
Reduce (a sail) by taking in a reef.
Classification
Verbs of size, temperature change, intensifying, etc..
Hypernyms
Meaning 2
Lower and bring partially inboard; "reef the sailboat's mast".
Classification
Verbs of walking, flying, swimming.
Hypernyms
Meaning 3
Roll up (a portion of a sail) in order to reduce its area.
Classification
Verbs of size, temperature change, intensifying, etc..