Meaning of SONAR in English

SONAR

I. sōˈnär noun

( -s )

Etymology: Hindi sonār, from Sanskrit suvarṇakāra, from suvarṇa gold (from su- good + varṇa color) + -kāra worker (from kṛṇoti he makes); probably akin to Sanskrit vṛṇoti he covers, holds back — more at weir , karma

: a member of a Hindu artisan caste of goldsmiths and silversmiths

II. ˈsōˌnär, -nȧ(r noun

( -s )

Etymology: so und na vigation r anging

: an apparatus that detects the presence and location of a submerged object (as a submarine or underwater mine) by means of sonic and ultrasonic waves which are reflected back to it from the object — compare echo ranging , sound ranging

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.