headwall

noun

Definition of headwall 

1a : a precipice rising above the floor of a glacial cirque

b : a steep slope forming the head of a valley

2 : a wall of masonry or concrete built at the outlet of a drainpipe or culvert with the end of the conduit flush with the outer surface of the wall

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First Known Use of headwall

1875, in the meaning defined at sense 1a

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Dictionary Entries near headwall

head up

headvoice

headwaiter

headwall

headward

headwark

headwater

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The first known use of headwall was in 1875

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