To remove obstructions, impediments or other unwanted items from.

“If you clear the table, I'll wash up.”

To remove (items or material) so as to leave something unobstructed or open.

“Please clear all this stuff off the table.”

To become free from obstruction or obscurement; to become transparent.

“After a heavy rain, the sky cleared nicely for the evening.”

The act or process of making or becoming clear.

An area of land within a wood or forest devoid of trees.

An open space in the fog etc.