keeledadj.

1781 Cal. Virginia State Papers I. 493 They [sc. light Batteaux] will run over shoals, where a Keel'd Vessel must be carried.

1832 H. Douglas Ess. Mil. Bridges (ed. 2) iii. 76 As is often the case with keeled boats, the sides and timbers are slight.

1847 T. Medwin Life Shelley I. 239 The boat was..keeled and clinker-built.

1787 E. Darwin et al. tr. C. Linnaeus et al. Families of Plants I. 99 Perianth five-parted..the divisions, awl'd, keel'd.

1787 E. Darwin et al. tr. C. Linnaeus et al. Families of Plants I. 375 Seeds..keel'd, annexed to the gaping suture.

1828 J. Stark Elements Nat. Hist. II. 85 Shell oblong,..flattish on the posterior, and somewhat angulated and keeled on the anterior side.

1848 R. Tyas Favourite Field Flowers I. 3 Two strap-shaped, keeled, and blunt leaves.

1865 Reader 29 Apr. 486/2 The keeled sternum, the grand feature of the skeleton of birds, is very fully developed.

a1878 G. G. Scott Lect. Mediæval Archit. (1879) II. xiii. 148 Their edges often filleted, or ‘keeled’, that is, decorated by an arris or edge projecting from their round surface.

1870 A. R. Wallace Contrib. Theory Nat. Select. iii. 99 The large caterpillar..startled him by its resemblance to a small snake... It resembled a poisonous viper, not a harmless species of snake, as was proved by the imitation of keeled scales on the crown produced by the recumbent feet, as the caterpillar threw itself backward!

1907 R. L. Ditmars Reptile Bk. xviii. 160 With most of the species [of plated lizard], the scales of the middle portion of the back are strongly keeled.

1970 New Yorker 19 Sept. 30/3 It [sc. DeKay's snake, Storeria dekayi] has keeled scales—a keeled scale is one with a ridge down its middle—which give it a smooth, unshiny appearance.

1911 W. J. Sollas Anc. Hunters viii. 218 Carefully flaked like the snout of the keeled scraper.

1921 M. C. Burkitt Prehist. iv. 75 Keeled scrapers. This tool..is very common in Middle Aurignacian times. It has a flat under surface, from which the flakes on the upper surface are struck off in a fan-shaped manner.

1927 H. Peake & H. J. Fleure Hunters & Artists iv. 46 Here [i.e. at La Ferrassie etc.] we find keeled scrapers, of a massive form but carelessly made, and more rarely gravers trimmed obliquely.

1968 Encycl. Brit. IX. 448/1 Core scrapers were made on small blocks or were actual cores reutilized as scrapers. Keeled scrapers present a systematic and symmetric removal of tiny blades to form a thick, fluted scraper extremity.