Any member of the pine subgenus Pinus.

A species of clam, quahog, Mercenaria mercenaria.

Cured thoroughly by drying in the sun.

plural of hard copy

A mechanical device that limits the travel of a mechanism. / A definite time when someone must end a task in order to meet another time commitment.

(originally Australia) The key effort in completing a difficult task.

plural of hard shoulder

Not sensitive to the bit; not easily governed. / Hard-featured about the mouth.

(pottery) Describing the condition of a clay or clay body when it has been partially dried to the point where all shrinkage has been completed.

A manual downward motion of a piece in the video game Tetris that makes it land immediately (that is, within only one frame).