spec. (perhaps originally short for tack-nail n. at compounds 1b.) A small sharp-pointed nail of iron or brass, usually with a flat and…
| 单词 | θ213083 | 
| 释义 | society > occupation and work > equipment > building and constructing equipment > fastenings > 			[noun]		 > nail > with flat head (4)		 tack1574 spec. (perhaps originally short for tack-nail n. at compounds 1b.) A small sharp-pointed nail of iron or brass, usually with a flat and… clasp-nail1721 †(a) See quot. 1721. (b) A nail with a flat head to clasp the wood. flat nail1850 (see quot.). thumbtack1884 a tack with a broad head, which may be pushed in with the thumb; North American = drawing pin, n.; also as v. transitive. | 
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