(botany) a formal scientific name of a plant, especially as conforming to the ICBN.

(Jamaica) A kind of fly.

(somewhat euphemistic) To be bisexual. / Used other than figuratively or idiomatically: see bat, both, sides. To be a batter for both teams in an amateur cricket or baseball game.

In earnest; sincerely; with one's full feeling.

A bottle, commonly made of brown or green glass, designed as a container for beer.

To do the work of a botanist, as to inventory the plant life in an area and to collect plants for research purposes.

(physics) The antiquark corresponding to the bottom quark.

(games) A party game in which the players sit in a circle and spin a bottle in the middle, having to kiss (or perform some other dare with) the person at whom the bottle points when it stops.

(Australia, colloquial, informal) A fair chance, a reasonable opportunity; a fair go.

(Australia, colloquial, informal) Used to protest against unreasonableness, such as somebody taking more than their fair share.