(computing) A key on a personal computer or terminal keyboard used in combination to modify the function of other keys; normally labelled "Ctrl"

(computing) A character which does not have a direct visual appearance as a glyph, but rather causes some other action to occur, such as a transition to a new line.

Any control, either formal or informal, that is exerted by a group, especially by one's peers

(computing) A numeric value or string of such values that triggers a specific command or action to occur, rather than displaying a text character.

(generally used in the plural when referral to a single garment) A type of panty girdle with longer legs and a higher waist, normally worn by a woman to lift and shape her buttocks area while flattening the stomach area.

(aeronautics) A moveable surface attached to a machine such as an aircraft or submarine that can be used to control the machine's motion in roll, pitch or yaw.

Possessing self-control; having mastery of one's own desires.

(idiomatic) Being taken care of or being addressed. / (literally) Being actively controlled, or able to be actively controlled in its current state.

A form of control system whose parameters may be changed dynamically in order to adapt to a changing environment.

(linguistics, of a control verb) whose shared object is its subject.