[formed as prec.] Lengthened, prolonged, extended; esp. in Bot. and Zool. that is long in proportion to its breadth; that has a lengthened, slender or tapering form.
1828. Stark, Elem. Nat. Hist., II. 196. Lip elongate, quadrate, narrowing towards the point.
1847. Hardy, in Proc. Berw. Nat. Club, II. No. 5. 235. The remaining five forming an elongate club.
1860. Gosse, Rom. Nat. Hist., 336. Immense unrecognised creatures of elongate form roam the ocean.
1870. Hooker, Stud. Flora, 103. Peduncles elongate.
Hence as combining form Elongato-, in various zoological terms, as elongato-conical, -ovate, -triangular adjs., that has the form or outline of a lengthened cone, egg, triangle.
1846. Dana, Zooph. (1848), 276. Ridges small, acute, sometimes elongato-conical. Ibid. (1852), Crust., II. 932. Hand … elongato-ovate. Ibid., I. 483. Beak lamellar, elongato-triangular.
