tails /teɪlz/noun 4phrases 2 noun4 •The side of a coin that doesn't bear the picture of the head of state or similar.Tails, I win. •Clipping of tailcoat.So I'm putting on my top hat, tying on my white tie, brushing off my tails. — 1935 •Tailings; waste. •Tailings, feints.The tails can be collected until the evolving distillate is down to about 10 percent, and the stillhead[…] — 2011 Phrases with tails heads or tailsThe practice of flipping a coin in the air, to choose between two alternatives based on which side lands face up. make heads or tails ofTo understand even minimally.
