Dictionary Home » Science » fin

fin science definition

See in a sentence

One of the winglike or paddlelike parts of a fish, dolphin, or whale that are used for propelling, steering, and balancing in water.

Learn more about fin

» fin definition

» fin synonyms

» Fin abbreviations & acronyms

» fin sentence examples

» fin quote examples

» fin images

link/cite print suggestion box

More from YD