soñar
131sonar — [ səʊnα:] noun 1》 a system for the detection of objects under water based on the emission and measured reflection of sound pulses. ↘an apparatus used for this. 2》 the method of echolocation used in air or water by animals such as whales and… …
132sonar — [vc. ingl., abbr. di so(und) n(avigation) a(nd) r(anging), propriamente «navigazione e misurazione per mezzo del suono»] s. m. inv. ecogoniometro …
