What does "thatch" mean?

Thatch: (Bot.) A name in the West Indies for several kinds of palm, the leaves of which are used for thatching. Thatch sparrow, the house sparrow. [Prov. Eng.]

Additional senses

  1. 2.To cover with, or with a roof of, straw, reeds, or some similar substance; as, to thatch a roof, a stable, or a stack of grain.

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