n.
Function: noun
Etymology: Middle English tike, probably from Middle Dutch (akin to Old High German ziahha tick), from Latin theca cover, from Greek th ē k ē case; akin to Greek tithenai to place ― more at DO
Date: 15th century
1 : the fabric case of a mattress, pillow, or bolster also : a mattress consisting of a tick and its filling
2 : 1 TICKING