In sheet-metal roofing, a joint formed by bending up the edge of a sheet and folding it downward over the turned-up edge of the next sheet.

An arch of the thickness of one brick.

(UK) One of the shorter rafters used in constructing a hip or valley roof.

(nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.

In a hip roof, a minor truss used where the roof does not have its full section.

copper sulphate

Synonym of judgement day

A short jacket reaching the hips, once part of military uniforms. / The jacket of a shell suit.

A rare disorder involving an exaggerated startle reflex which may be described as an uncontrollable jump.

plural of jack-a-napes