song /sɒŋ/noun 8forms 1phrases 5 noun8 •a piece of music for one or more voices, with wordsThomas listened to his favorite song on the radio yesterday. •(informal) Any musical composition. •A melodious sound made by a bird, insect, whale or other animal.I love hearing the song of canary birds. •The distinctive sound that a male bird utters to attract a mate or to protect his territory; contrasts with call; also, similar vocalisations made by female birds. •A low price, especially one under the expected value; chiefly in for a song.He bought that car for a song. •The act or art of singing. •Poetical composition; poetry; verse.This subject for heroic song. — 1667 •(no longer used) An object of derision; a laughing stock.And now am I their song, yea, I am their byword. — 1611 formssongs Phrases with song for a songFor a very low price; very cheaply. go for a songTo be sold at a very low price. old songA trifle; a small price, or nothing of value. siren songAn enticing but dangerous appeal, especially a misleading one. swan songA final performance or accomplishment, especially one before retirement.