Any member of the extinct Goniatitida, a taxonomic order of ammonites.

A firelighting tool of two sticks rubbed together to produce heat through friction and heat, and eventually an ember. Typically It uses a V-shaped base piece of wood, usually a soft wood that will ...

Likely to, prone to, or engaged in contemplating or meditating upon one's navel.

(organic chemistry) Any of a group of triterpenoid saponins present in Ardisia crenata