שַׁטְגַּב m.n. NH Notonectidae (a family of insects that habitually swim back downward and therefore are called ‘back swimmers’. [Compounded of שָׁט (= swimming, swimmer), part. of שׁוּט (see שׁוט ᴵ) and גַּב (= back). Accordingly Heb. שַׁטְגַּב is a loan translation of the scientific name Notonectidae, which is compounded of Gk. netos also neton (= the back), and nektes (= swimmer).]