[? f. CAN sb.1 + HOOK sb.] A contrivance for slinging a cask by the ends of its staves, consisting of a short rope or chain (little longer than the cask), with a flat hook at each end, the tackle being hooked to the middle of the rope or chain.
1626. Capt. Smith, Accid. Yng. Sea-men, 13. The canhookes, slings and parbunkels. Ibid. (1627), Seamans Gram., v. 21. The Canhookes the Brewers vse to sling or carry their barrels on.
1769. Falconer, Dict. Marine.
1867. Smyth, Sailors Word-bk.