fenestra

In most meat-eating dinosaurs, a ridge of bone provides a roof over an opening in the skull in front of the eye sockets known as the antorbital fenestra.

From Scientific American ● Dec. 15, 2020

This encloses an open space or "fenestra," so that the neck was not completely protected above.

From Dinosaurs With Special Reference to the American Museum Collections by Henry Fairfield Osborn

The spelling looks British, and the ancient British borrowed a good many words direct from the Latin, ffenstr for example, from fenestra, for window, doubtless a new idea to them.

From Through East Anglia in a Motor Car by J. E. (James Edmund) Vincent

Of the lozenge the following extraordinary description is given in a MS. of Glover, 'Lozenga est pars vitri in vitrea fenestra.'

From Notes and Queries, Number 210, November 5, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by George Bell

Along the posterior edge of the orbital fenestra, there is a narrow, dorsally projecting flange of the pterygoid.

From A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas by Theodore H. (Theodore Hildreth) Eaton

Temporal fenestrae are post-orbital openings in the skull that allow muscles to expand and lengthen.

From Textbooks ● Jan. 1, 2015

Furthermore, their supratemporal fenestrae are proportionally small and become smaller during ontogeny.

From Scientific American ● May 24, 2012

Torosaurus’s is larger and flatter, with two large circular holes called fenestrae on either side of it.

From New York Times ● Mar. 5, 2012

The number of fenestrae appears to be very constant.

From Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 by John MacGillivray

Mouth very large; avicularia wide and strong; two lateral areae on each side, well developed; surface in front with a few indistinct circular spots around the fenestrae, and behind marked with faint longitudinal striae.

From Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 by John MacGillivray

The usual explanation, which makes insertas an epithet transferred by a sort of hypallage from Luna to fenestras, is extremely violent, and makes the word little more than a repetition of se fundebat.

From The Aeneid of Virgil by Virgil