Etymology From Middle English bitour, botor, from Old French butor, from Gallo-Roman *butitaurus, a blend of Latin būtiō (“bittern”) and taurus (“bull, ox”).
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Several bird species in the Botaurinae subfamily of the heron family Ardeidae.
It is a great rock or cliff on the loneliest part of the mountains, and […] is known by the name of the Garden Rock. Near the foot of it is a small lake, the haunt of the solitary bittern, with water-snakes basking in the sun on the leaves of the pond-lilies which lie on the surface.1819, Washington Irving, The Sketch Book, Rip Van Winkle: