Did you mean slope?
slope
noun
°An area of ground that tends evenly upward or downward.
"I had to climb a small slope to get to the site."
°The degree to which a surface tends upward or downward.
"The road has a very sharp downward slope at that point."
verb
°To tend steadily upward or downward.
"The road slopes sharply down at that point."
°(colloquial usually followed by a preposition) To try to move surreptitiously.
"I sloped in through the back door, hoping my boss wouldn't see me."
synonyms: bank, embankment, gradient, hill more» , incline, first derivative, chinaman, chink
Did you mean sail?
sail
noun
°(nautical) A piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes.
°The power harnessed by a sail or sails, or the use this power for travel or transport.
verb
°To ride in a boat, especially a sailboat.
°To move briskly and gracefully through the air.