slope

Concise Oxford English Dictionary © 2008 Oxford University Press:
slope/sləʊp/

▶noun

• 1 a surface of which one end or side is at a higher level than another.

  ■ a difference in level or sideways position between two ends or sides.

  ■ a part of the side of a hill or mountain, especially as a place for skiing.

• 2 US informal, offensive a person from East Asia, especially a Vietnamese.

▶verb

• 1 be inclined from a horizontal or vertical line; slant up or down.

• 2 Brit. informal move in an idle or aimless manner.

  ■ (slope off) leave unobtrusively in order to evade work or duty.

– phrases
at the slope Military (of a rifle) held with the barrel on the left shoulder and the butt in the left hand.
slope arms Military hold a rifle at the slope.

– origin C16: from the obs. adverb slope, a shortening of aslope.