[sheet anchor] n (15c) 1: a large strong anchor formerly carried in the waist of a ship and used as a spare in an emergency
2: something that constitutes a main support or dependence esp. in danger
[sheet anchor] n (15c) 1: a large strong anchor formerly carried in the waist of a ship and used as a spare in an emergency
2: something that constitutes a main support or dependence esp. in danger
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012