neck \neck\, v. i. To kiss and caress amorously. [Colloq.] -- n. necking. [PJC]
Necking \Neck"ing\, n. Same as Neckmold. [1913 Webster]
Neck \Neck\, v. t. [imp. & p. p. Necked; p. pr. & vb. n. Necking.] (Mech.) 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. [1913 Webster]