1 hair seal | Definition of hair seal

hair seal

noun

Definition of hair seal

: any of a family (Phocidae) of seals having a coarse hairy coat, the hind limbs reduced to swimming flippers, and no external ears

— called also true seal

— compare eared seal

First Known Use of hair seal

1824, in the meaning defined above

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More from Merriam-Webster on hair seal

Britannica.com: Encyclopedia article about hair seal