inwall

[ verb in-wawl; noun in-wawl ]

verb (used with object)

1. to enclose with a wall.

noun

1. an inner wall.
2. Metallurgy. an inwardly sloping wall above the bosh of a blast furnace.

Word History and Origins

Origin of inwall¹

First recorded in 1605–15; in- ¹ + wall