Obs. or dial. Also crook, cruk. [app. related to CROOK sb., but the phonology is obscure.] (See quots.)
1570. Levins, Manip., 158/15. Ye Croks of a house, bijuges.
1828. Craven Dial., I. 93. Crockes, two crooked timbers, of a natural bend, forming a Gothic arch. They generally rest in large blocks of stone. Many roofs of this construction are still remaining in ancient farm-houses and barns.
1886. Cheshire Gloss., Crooks, the main timbers of an old black and white house.
1890. S. O. Addy (Sheffield), Note, Cruks pl., the arched oaken timbers which support the roofs of some old houses. These timbers rise from the ground and reach to the ridge of the roof.
