to hold in check, to curb, to restrain
(construed with for) To design (an experiment) so that the effects of one or more variables are reduced or eliminated.
To exercise influence over; to suggest or dictate the behavior of.
A duplicate book, register, or account, kept to correct or check another account or register.
An interface element that a computer user interacts with, such as a window or a text box (abbreviated Ctrl).
Influence or authority over something.
A control group or control experiment.
A checkpoint along an audax route.
A means of monitoring for, and triggering intervention in, activities that are not going according to plan.
The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button.
Restraint or ability to contain one's movements or emotions, or self-control.
A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure.
A spirit that takes possession of a psychic or medium and allows other spirits to communicate with the living.
A construction in which the understood subject of a given predicate is determined by an expression in context. See control.
Any of the physical factors determining the climate of a place, such as latitude, distribution of land and water, altitude, exposure, prevailing winds, permanent high- or low-barometric-pressure areas, ocean currents, mountain barriers, soil, and vegetation.
To check or restrain.
To be in command of. (See also head up.)
To come at the beginning or front of; to commence.
To form a head.
To form a head to; to fit or furnish with a head.
To strike with the head; as in soccer, to head the ball
To go in front of.
To get in the front of, so as to hinder or stop; to oppose.
To move in a specified direction.
To remove the head from a fish.
To originate; to spring; to have its course, as a river.
To cut off the top of; to lop off.
To set on the head.
Of, relating to, or intended for the head.
Coming from in front.
Placed at the top or the front.
Foremost in rank or importance.
A heavy or habitual user of illicit drugs.
The end of a hammer, axe, golf club, or similar implement used for striking other objects.
The end of a pool table opposite the end where the balls have been racked.
A headdress; a covering for the head.
A milling head, a part of a milling machine that houses the spindle.
The end of a rectangular table furthest from the entrance; traditionally considered a seat of honor.
The uppermost part of a valley.
The antlers of a deer.
Mental or emotional aptitude or skill.
A headache; especially one resulting from intoxication.
The part of a disk drive responsible for reading and writing data.
The headstock of a guitar.
The leafy top part of a tree.
The top edge of a sail.
A clump of seeds, leaves or flowers; a capitulum.
The rounded part of a bone fitting into a depression in another bone to form a ball-and-socket joint.
The toilet of a ship.
An ear of wheat, barley, or other small cereal.
A machine element which reads or writes electromagnetic signals to or from a storage medium.
Tiles laid at the eaves of a house.
The end of a nail, screw, bolt, or similar fastener which is opposite the point; usually blunt and relatively wide.
A drum head, the membrane which is hit to produce sound.
Headway; progress.
Mind; one's own thoughts.
Topic; subject.
The end of an abscess where pus collects.
The topmost, foremost, or leading part.
The glans penis.
The top part of a lacrosse stick that holds the ball.
Deposits near the top of a geological succession.
The source of a river; the end of a lake where a river flows into it.
The foam that forms on top of beer or other carbonated beverages.
A headmaster or headmistress.
Denouement; crisis.
The end cap of a cylindrically-shaped pressure vessel.
A person with an extensive knowledge of hip hop.
The end cap of a cask or other barrel.
A buildup of fluid pressure, often quantified as pressure head.
Leader; chief; mastermind.
Fellatio or cunnilingus; oral sex.
The cylinder head, a platform above the cylinders in an internal combustion engine, containing the valves and spark plugs.
An individual person.
The part of the body of an animal or human which contains the brain, mouth, and main sense organs.
The bow of a vessel.
A morpheme that determines the category of a compound or the word that determines the syntactic type of the phrase of which it is a member.
The sharp end of an arrow, spear, or pointer.
The difference in elevation between two points in a column of fluid, and the resulting pressure of the fluid at the lower point.
The population of game.
The principal melody or theme of a piece.
A single animal.
The place of honour, or of command; the most important or foremost position; the front.
A headland.
More generally, energy in a mass of fluid divided by its weight.