To take off the shell or coat of.

(archaic) second-person singular simple present form of shall

Allium ascalonium. / Allium oschaninii. / Any small onion. / (Louisiana, Australia) A scallion

A synthetic crude oil obtained by the pyrolysis, hydrogenation, or thermal dissolution of oil shale. / A crude oil obtained from low permeability petroleum-bearing formations (shales).

A sedimentary rock containing kerogen from which petroleum-like shale oil can be produced by pyrolysis, hydrogenation, or thermal dissolution.

(Shetland) The oystercatcher.

(Judaism) A greeting said on meeting someone, especially when the two people meeting have not met in some time.

plural of shalder

A rock formation in the Canadian Rockies that contains very many fossils from the Cambrian period.

(geology) A dark, muddy rock, rich in sulfides and organic material.