Bible Dictionaries
Narwhal

Webster's Dictionary

(n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.

Bibliography Information
Webster, Noah. Entry for 'Narwhal'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/narwhal.html. 1828.