Definition of song

• n. - That which is sung or uttered with musical modulations of the voice, whether of a human being or of a bird, insect, etc.
• n. - A lyrical poem adapted to vocal music; a ballad.
• n. - More generally, any poetical strain; a poem.
• n. - Poetical composition; poetry; verse.
• n. - An object of derision; a laughingstock.
• n. - A trifle.