(1):
(v. i.) To engage with each other, as the teeth of wheels.
(2):
(n.) The engagement of the teeth of wheels, or of a wheel and rack.
(3):
(n.) The opening or space inclosed by the threads of a net between knot and knot, or the threads inclosing such a space; network; a net.
(4):
(v. t.) To catch in a mesh.