Tat‐too″ (?), n. [Earlier taptoo, D. taptoe; tap a tap, faucet + toe to, shut (i.e., the taps, or drinking houses, shut from the soldiers).] (Mil.) A beat of drum, or sound of a trumpet or bugle, at night, giving notice to soldiers to retreat, or to repair to their quarters in garrison, or to their tents in camp.
The Devil's tattoo. See under Devil.