Late Middle English brad, variant of brod(d), from Old Norse broddr (“spike, shaft”), from Proto-Germanic *bruzdaz (compare Old English brord, Old High German brort), from Proto-Indo-European *bʰrusdʰos (compare Welsh brath (“sting, prick”), Albanian bredh (“fir-tree”), Lithuanian bruzdùklis (“bridle”), Czech brzda (“brake”).
brad (plural brads)
- A thin, small nail, with a slight projection at the top on one side instead of a head, or occasionally with a small domed head, similar to that of an escutcheon pin.
- (US, elementary school usage, particularly kindergarten and primary grades) A paper fastener, a fastening device formed of thin, soft metal, such as shim brass, with a round head and a flat, split shank, which is spread after insertion in a hole in a stack of pages, in much the same way as a cotter pin or a split rivet.
brad (third-person singular simple present brads, present participle bradding, simple past and past participle bradded)
- (transitive) To attach using a brad.