Definition of "Neck" :

noun: an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck

noun: a narrow part of an artifact that resembles a neck in position or form

"The banjo had a long neck."

noun: the part of an organism (human or animal) that connects the head to the rest of the body

"He admired her long graceful neck."

noun: a cut of meat from the neck of an animal

noun: a narrow elongated projecting strip of land

verb: kiss, embrace, or fondle with sexual passion

"The couple were necking in the back seat of the car."