The Collaborative International Dictionary of English v.0.48:
Torticollis \Tor`ti*col"lis\, n. [F. toricolis; L. torquere, tortum, to twist + collum the neck.] (Med.) See Wryneck. [1913 Webster]WordNet (r) 3.0 (2006):
torticollis n 1: an unnatural condition in which the head leans to one side because the neck muscles on that side are contracted [syn: torticollis, wryneck]