(archaic) forkbeard

A passive fire protection product used in heating, ventilation, and air conditioning ducts.

The harm has occurred, and nothing can be done to prevent it now; it might have been preventable, but cannot be prevented retroactively.

plural of damp course

(construction) A layer in a wall, foundation etc. which prevents moisture spreading into interior areas.

A curtain in a mine gallery to direct air currents and prevent accumulation of gas.

(archaic) damson (the fruit)

A deciduous tree, Prunus insititia, native to Eurasia and related to the plum. / Syzygium cumini, jambul, native to south Asia. / The edible fruit of these trees.

(idiomatic, vulgar) Expresses enthusiastic support or opposition, agreement or disagreement, certainty or emphasis.

Any insect in the family Nabidae