Also, thatching. a material, as straw, rushes, leaves, or the like, used to cover roofs, grain stacks, etc.
a covering of such a material.
the leaves of various palms that are used for thatching.
something resembling thatch on a roof, esp. thick hair covering the head:a thatch of unruly red hair.
Botany[Hort.]a tightly bound layer of dead grass, including leaves, stems, and roots, that builds up on the soil surface at the base of the living grass of a lawn.
to cover with or as if with thatch.
Botany[Hort.]to remove thatch from (a lawn); dethatch.
bef. 900; (verb, verbal) Middle English thacchen, variant (with a from thakdialect, dialectal thack) of thecchen, Old English theccan to cover, hide; cognate with Dutch dekken (see deck), German decken, Old Norse thekja; (noun, nominal) Middle English thacche, variant (with ch from the verb, verbal) of thak