A type of soft-shell turtle (Apalone spinifera) native to Canada, the United States and Mexico, having spiny projections on the leading edge of its carapace.

plural of spinal cord

A bivalve mollusc of the genus Spondylus.

Bearing a spine; spiniform. / Covered in spine-like processes.

(idiomatic) Scary, exciting or exhilarating.

(zoology) An echidna.

(nautical) Sea spray (clouds of water droplets) blown from the tops of waves by the wind and whipped along the surface of the sea.

European spider crab

Agent noun of spin; someone or something who spins. / A conical cover at the center of some aircraft propellers. / A device that is spun in games to choose a number or symbol.

Synonym of Good King Henry