The beginning of an activity. A sudden involuntary movement. The beginning point of a race, a board game, etc. An appearance in a sports game, horserace, etc., from the beginning of the event. (horticulture) A young plant germinated in a pot to be transplanted later. An initial advantage over somebody else; a head start. (transitive) To begin, commence, initiate. (intransitive) To begin an activity. (intransitive) To have its origin (at), begin. To startle or be startled; to move or be moved suddenly. (intransitive) To break away, to come loose. (transitive, sports) To put into play. (transitive, nautical) To pour out; to empty; to tap and begin drawing from. (intransitive, euphemistic) To start one's periods (menstruation). A tail, or anything projecting like a tail. A handle, especially that of a plough. The curved or inclined front and bottom of a water wheel bucket. The arm, or level, of a gin, drawn around by a horse.