pterylan.

Brit.

/ˈtɛrᵻlə/, U.S.

/ˈtɛrələ/

Inflections: Plural pterylae.

Origin: A borrowing from Latin. Etymon: Latin pteryla.

Etymology: < post-classical Latin pteryla ( C. L. Nitzsch Pterylographiae avium pars prior (1833) 11) < ancient Greek πτερόν feather (see ptero- comb. form) + ὕλη forest (see hyle n.), taken in sense ‘tract of woodland’. Compare German Federflur in same sense (1833 in plural Federfluren in a Latin context in the passage translated in quot. 1867; literally ‘feather-field’).

Ornithology.

Any of several distinct tracts on a bird's skin in which feathers grow.

ΘΚΠ

the world > animals > birds > feather > [noun] > clump of or pteryla

pteryla1867

1867 W. S. Dallas tr. C. L. Nitzsch Pterylography 3 The feathered regions of the bodies of birds, to which I give the name of feather-tracts (pterylæ, Federnfluren [sic]).

1892 Philos. Trans. 1891 (Royal Soc.) B. 182 33 The dorsal pteryla is continuous on each side.

a1933 J. A. Thomson Biol. for Everyman (1934) I. xx. 533 The feathers occasionally occur all over the skin (in penguins), but they are usually disposed in regular rows (feather-tracts or pterylae), which show particular patterns in different types.

1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) vi. 146 Over a number of body areas, no contour feathers are present, but the arrangement of the pterylae is such that the entire body is completely and smoothly ensheathed.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022).

单词	pteryla
释义	pterylan. Brit. /ˈtɛrᵻlə/, U.S. /ˈtɛrələ/ Inflections: Plural pterylae. Origin: A borrowing from Latin. Etymon: Latin pteryla. Etymology: < post-classical Latin pteryla ( C. L. Nitzsch Pterylographiae avium pars prior (1833) 11) < ancient Greek πτερόν feather (see ptero- comb. form) + ὕλη forest (see hyle n.), taken in sense ‘tract of woodland’. Compare German Federflur in same sense (1833 in plural Federfluren in a Latin context in the passage translated in quot. 1867; literally ‘feather-field’). Ornithology. Any of several distinct tracts on a bird's skin in which feathers grow. ΘΚΠ the world > animals > birds > feather > [noun] > clump of or pteryla pteryla1867 1867 W. S. Dallas tr. C. L. Nitzsch Pterylography 3 The feathered regions of the bodies of birds, to which I give the name of feather-tracts (pterylæ, Federnfluren [sic]). 1892 Philos. Trans. 1891 (Royal Soc.) B. 182 33 The dorsal pteryla is continuous on each side. a1933 J. A. Thomson Biol. for Everyman (1934) I. xx. 533 The feathers occasionally occur all over the skin (in penguins), but they are usually disposed in regular rows (feather-tracts or pterylae), which show particular patterns in different types. 1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) vi. 146 Over a number of body areas, no contour feathers are present, but the arrangement of the pterylae is such that the entire body is completely and smoothly ensheathed. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022). < n.1867
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