Definition of Sierra Club in English:

Sierra Club

Line breaks: Si¦erra Club

Entry from British & World English dictionary

A North American environmental group, founded in 1892. The pioneering naturalist John Muir was its first president.

Definition of Sierra Club in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up