(top) noun
1. The uppermost or highest part, end, side, or surface of anything.
2. That end or part of anything, regarded as the higher or upper extremity: the top of the street.
3. A lid or cover: a bottle top.
4. The roof of a vehicle, as an automobile.
5. The crown of the head: from top to toe.
6. plural The above–ground part of a plant producing root vegetables.
7. The highest degree or reach: at the top of one's voice; the top of one's ambition.
8. The highest or most prominent place or rank: at the top of one's profession.
9. One who is highest in rank or position: the top of one's class.
10. The choicest or best part: the top of the crop.
11. In bridge, the highest card in a suit.
12. In billiards, tennis, golf, etc.: a A stroke in which the player hits the ball above the center or on the upper half. b The forward spinning motion imparted to the ball by such a stroke.
13. Naut. A platform at the head of the lower section of a ship's mast, used as a place to stand and for extending the topmast rigging.
14. Chem. The most volatile part of a substance in distillation.
15. Scot. a The hair on one's head. b A bird's crest. c A horse's forelock. d A bunch of hair, wool, flax, etc. See synonyms under SUMMIT.
—to blow one's top Slang
1. To break out in a rage; flare up.
2. To go insane.
—adjective
1. Of or pertaining to the top.
2. Forming or comprising the top or upper part.
3. Highest in rank or quality; chief: top authors.
4. Greatest in amount or degree: top prices.
—v. topped, top·ping v.t.
1. To remove the top or upper end of; prune.
2. To provide with a top, cap, etc.
3. To form the top of.
4. To reach or pass over the top of; surmount.
5. To surpass or exceed.
6. Chem. To take away the most volatile part of by distillation.
7. In golf, tennis, etc.: a To hit the upper part of (the ball) in making a stroke. b To make (a stroke) thus.
—v.i.
8. To top someone or something.
—to top off
1. To put something on the top of.
2. To complete; finish. [OE]

(top) noun
A toy of wood or metal, with a point on which it is made to spin, as by the unwinding of a string, a spring, etc. [OE]

Var. of TOPO–.