Definition of "thack" in English

verb

1. (transitive, obsolete except British, dialectal) To strike or thump (someone or something); to thwack.

noun

1. A stroke; a thwack.

interjection

1. The sound of a thack.

   • 1860, Albany Fonblanque, Jun., Hector Mainwaring; or, A lease for lives, Ward and Lock, page 205, Thack ! thack ! thack ! the heavy hunting whip came down upon the head and shoulders of Charles Dudley.

noun

1. The weatherproof outer layer of a roof, often specifically thatch.

verb

1. To cover a roof with thack.

   • The said day, it was represented that the thacking and covering of Houses houses in the towne with straw and hedder wes very dangerous, and rendered them obnoxious to fyre, and to the endangering of the saids houses and the neighbouring adjacent houses, and that a fatall evidence thereof, by haveing some houses thacked and covered as said is, had falne out in the Gallowgate lately; […] .