An elongated or trailing portion, such as the back portion of a dress or skirt, a trail or line of something, the tail of a bird, the elongated body or form of something narrow and winding, a transient trail of glowing ions behind a large meteor or accompanying a comet, or an animal's trail or track.

A connected sequence of people or things, including a group of followers, a line of vehicles or animals, a series of events or ideas, a set of interconnected mechanical parts, a series of specified vehicles, a mode of transport, a heavy sleigh, a software release schedule, or a form of gang rape.

(intransitive) To practice an ability.

(transitive) To teach and form (someone) by practice; to educate (someone).

(intransitive) To improve one's fitness.

(intransitive) To proceed in sequence.

(transitive) To move (a gun) laterally so that it points in a different direction.

(transitive, horticulture) To encourage (a plant or branch) to grow in a particular direction or shape, usually by pruning and bending.

(transitive, machine learning) To feed data into an algorithm, usually based on a neural network, to create a machine learning model that can perform some task.

(transitive, mining) To trace (a lode or any mineral appearance) to its head.

(transitive, video games) To create a trainer for; to apply cheats to (a game).