Hypertext Webster Gateway: "ais"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ai \A"i\, n.; pl. {Ais}. [Braz. a["i], ha["i], from the animal's
cry: cf. F. a["i].] (Zo["o]l.)
The three-toed sloth ({Bradypus tridactylus}) of South
America. See {Sloth}.
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