n. a metal loop that can be locked around the wrist, usually used in pairs; a handcuff. Syn. -- handcuffs, handcuff, cuffs, cuff, manacle. [ WordNet 1.5 ]
n. [ Hand + book; cf. AS. handbōc, or G. handbuch. ] 1. A book of reference, to be carried in the hand; a manual; a guidebook. [ 1913 Webster ]
2. A book containing reference information for a specific field; as, the Handbook of Chemistry. [ PJC ]