n. See Saltpeter. [ 1913 Webster ]
a. [ L. petraeus, Gr.
n. [ F. pétrel; a dim. of the name Peter, L. Petrus, Gr.
Diving petrel,
Fulmar petrel,
Giant petrel
Pintado petrel,
Pintado petrel,
n. The process of changing into stone; petrification. [ 1913 Webster ]
a. [ L. petra rock, stone, Gr.