What does "harengiform" mean?

Harengiform: Herring-shaped. HARE'S-EAR Hare's"-ear`, n. (Bot.) An umbelliferous plant (Bupleurum rotundifolium ); -- so named from the shape of its leaves. Dr. Prior. HARE'S-FOOT FERN Hare's"-foot` fern`. (Bot.) A species of fern (Davallia Canariensis) with a soft, gray, hairy rootstock; -- whence the name. HARE'S-TAIL Hare's"-tail` (-tal`), n. (Bot.) A kind of grass (Eriophorum vaginatum). See Cotton grass, under Cotton. Hare's-tail grass (Bot.), a species of grass (Lagurus ovatus) whose head resembles a hare's tail.