rictaladj.

Brit.

/ˈrɪktl/, U.S.

/ˈrɪktl/

Origin: Formed within English, by derivation. Etymons: rictus n., -al suffix¹.

Etymology: < rictus n. + -al suffix¹.

Zoology.

Of or relating to the opening or gape of an animal's mouth or bill; spec. designating the bristle-like feathers that flank the bill in many insectivorous birds.

ΘΚΠ

the world > animals > birds > parts of or bird defined by > [adjective] > of or relating to expanse of mouth

rictal1825

1825 Trans. Linn. Soc. 15 255 The strength of the rictal bristles.

1884 E. Coues Birds of Northwest (ed. 2) 289 A few rictal bristles..reaching little..beyond the nostrils.

1940 H. F. Witherby et al. Handbk. Brit. Birds II. 256 Large rictal bristles, rounded tail and differences in plumage distinguish it from American Nightjar.

1959 J. Van Tyne & A. J. Berger Fund. Ornithol. xiii. 518 Bulbul family...Hairlike feathers on nape and rictal bristles usually well developed.

1986 Jrnl. Herpetol. 20 353 The rictal fold of lizards is much shortened in snakes, at least at its aperture.

1992 Jrnl. Field Ornithol. 63 311 As nestlings, the obscurus race [of the brown-headed cowbird] can be distinguished from the other two races by bright yellow rictal flanges.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rictal
释义	rictaladj. Brit. /ˈrɪktl/, U.S. /ˈrɪktl/ Origin: Formed within English, by derivation. Etymons: rictus n., -al suffix¹. Etymology: < rictus n. + -al suffix¹. Zoology. Of or relating to the opening or gape of an animal's mouth or bill; spec. designating the bristle-like feathers that flank the bill in many insectivorous birds. ΘΚΠ the world > animals > birds > parts of or bird defined by > [adjective] > of or relating to expanse of mouth rictal1825 1825 Trans. Linn. Soc. 15 255 The strength of the rictal bristles. 1884 E. Coues Birds of Northwest (ed. 2) 289 A few rictal bristles..reaching little..beyond the nostrils. 1940 H. F. Witherby et al. Handbk. Brit. Birds II. 256 Large rictal bristles, rounded tail and differences in plumage distinguish it from American Nightjar. 1959 J. Van Tyne & A. J. Berger Fund. Ornithol. xiii. 518 Bulbul family...Hairlike feathers on nape and rictal bristles usually well developed. 1986 Jrnl. Herpetol. 20 353 The rictal fold of lizards is much shortened in snakes, at least at its aperture. 1992 Jrnl. Field Ornithol. 63 311 As nestlings, the obscurus race [of the brown-headed cowbird] can be distinguished from the other two races by bright yellow rictal flanges. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < adj.1825
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