(automotive) An automobile roof with a removable panel on each side of a rigid bar running from the center of one structural bar between pillars to the center of the next structural bar.

(nautical) A line used to raise or top the end of a gaff, or of a boom.

A small viviparous freshwater mosquitofish (Gambusia affinis) abundant in the southern United States. / Any other mosquitofish

Alternative form of flattop

(agriculture) A disease of beets, gourds, and other plants, often caused by the virus Beet curly top virus, which results in stunted or misshapen growth and curled or puckered leaves.

present participle of top-rope

simple past tense and past participle of top-rope

A situation in which competition between entities to be the first or best leads to increased amenities or better performance.

Synonym of icing on the cake

(brewing) Alcoholic fermentation during which the yeast cells are carried to the top of the fermenting liquid.