thatch

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thatch / [unvoicedth]ach/ • n. a roof covering of straw, reeds, palm leaves, or a similar material. ∎  straw or a similar material used for such a covering. ∎ inf. the hair on a person's head, esp. if thick or unruly. ∎  a matted layer of dead stalks, moss, and other material in a lawn.• v. [tr.] cover (a roof or a building) with straw or a similar material: [as adj.] (thatched) thatched cottages DERIVATIVES: thatch·er n.

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