• The part of an animal which connects the head and the trunk, and which, in man and many other animals, is more slender than the trunk. • Any part of an inanimate object corresponding to or resembling the neck of an animal • The long slender part of a vessel, as a retort, or of a fruit, as a gourd. • A long narrow tract of land projecting from the main body, or a narrow tract connecting two larger tracts. • That part of a violin, guitar, or similar instrument, which extends from the head to the body, and on which is the finger board or fret board. • A reduction in size near the end of an object, formed by a groove around it; as, a neck forming the journal of a shaft. • the point where the base of the stem of a plant arises from the root. • To reduce the diameter of (an object) near its end, by making a groove around it; -- used with down; as, to neck down a shaft. • To kiss and caress amorously.