■ verb
1》 (of a submarine) dive rapidly to a deeper level in an emergency.
2》 (of an aircraft) plunge steeply downwards into a crash.
■ noun ( crash dive ) a steep dive of this kind.
■ verb
1》 (of a submarine) dive rapidly to a deeper level in an emergency.
2》 (of an aircraft) plunge steeply downwards into a crash.
■ noun ( crash dive ) a steep dive of this kind.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004