(historical) A hamlet in Britain in pre-Saxon times.

Alternative form of treyf (“not kosher”)

plural of tref

(espionage) A covert meeting.

Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium.

(pharmacology) A particular narcotic painkiller.

(Germanic paganism) A three-armed spiral symbol used in Heathenry to represent the god Woden or the Norns.

plural of trefoil

plural of trefot

plural of trefoil knot