Definition of St Helens, Mount in English:

St Helens, Mount

Line breaks: Mount St Hel¦ens
An active volcano in SW Washington, in the Cascade Range, rising to 2,560 m (8,312 ft). A dramatic eruption in May 1980 reduced its height by several hundred metres and spread volcanic ash and debris over a large area.

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Word of the day flagitious
Pronunciation: fləˈdʒɪʃəs
adjective
(of a person or their actions) criminal; villainous