Meaning of SONAR in English

SONAR

/soh"nahr/ , n.

1. a method for detecting and locating objects submerged in water by echolocation.

2. the apparatus used in sonar. Also called, Brit., asdic .

[ 1940-45; so ( und ) na ( vigation ) r ( anging ) ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .