Definitions
1.NounAn act of entrapping or tricking; an entrapment; also, a thing which entraps or tricks; a snare or trap; a stratagem or trick.
2.NounA person (or occasionally an animal) that traps or tricks another into doing something that benefits them but harms the victim; a fraudster, a swindler, a trickster.
3.VerbTo catch or entrap (a person or animal) in a snare or trap; to ensnare, to trap.
4.VerbTo trap or trick (someone), especially by using some stratagem, into doing something that benefits the perpetrator but harms the victim; to defraud, to ensnare, to entrap, to swindle.
5.NounAlternative spelling of trepan (“surgical instrument used to remove a small section of bone, usually from the skull; tool used to bore through rock, etc.”).
6.VerbAlternative spelling of trepan (“to cut through bone, usually the skull, using a trepan (etymology 2, noun sense); to create a large hole by making a narrow groove outlining the shape of the hole and then removing the plug of material”)