...the penis will protrude... 
Harry M. Lamon 「Ducks and Geese」
...Atlength something red and glistening is remarked to protrude...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The eye of man is situated within abony orbit, from which it cannot in the course of nature protrude...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The reason of this arrangement—the cause for composing part ofthe orbit of ligament—is to allow the eye to protrude or to take itsplace without and before the orbit...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The ergot is familiar as the dark purple or black, hard, spurlike growthswhich protrude from the seeds of the grasses at the period of their ripening...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...When it attains sufficient size to protrude itselfpermanently over the eye, or project between the lids so as to obstruct thesight, its removal may become necessary...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The antlers do not rise upward, but protrude forward over the brow in a threatening manner...
Mayne Reid 「The Hunters' Feast」
...Even in mud-plastered Zuñi, many outcrops ofthese thin, tabular wedges protrude from the partly eroded mudcoating ofa wall and indicate the presence of this kind of stone masonry...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
...The effect of the revolution is to make both bodies slightly protrude inthe direction of the line joining them; they become slightly "prolate"as it is called—that is, lemon-shaped...
Oliver Lodge 「Pioneers of Science」
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