pinni-
(ˈpɪnɪ)
combining form of L. pinna, penna wing, fin (cf. ancient L. pennifer, pinniger, etc.). Hence piˈnniferous [-ferous], piˈnnigerous [-gerous] adjs., bearing or having fins. (Cf. penniferous, pennigerous.) pinniˈnervate, pinninerved adjs. Bot., pinnately veined (= penninervate). pinniˈsected a. Bot. = pinnatifid, or ? pinnatisect (see pinnati-). pinniˈtarsal a. [tarsal], ‘having pinnate feet, as a swimming-crab’. pinnitenˈtaculate a. [tentaculate], ‘having pinnate tentacles, as a polyp’. See also pinniform, -grade, -ped.
| 1858 Mayne Expos. Lex., Pinniferus, having or bearing fins: *pinniferous. |
| 1656 Blount Glossogr., *Pinnigerous,..that hath fins; finned like a fish. |
| 1893 Syd. Soc. Lex., *Pinninervate, see Penninervate. |
| Ibid., *Pinnisected, the same as Pinnatifid. |