An instance of a player being sacked or tackled in the end zone, or stepping out of the end zone and off the field, resulting in two points to the opposite team.
A mechanism on a weapon or dangerous equipment designed to prevent accidental firing.
The condition or feeling of being safe; security; certainty.
Any of the defensive players who are in position furthest from the line of scrimmage and whose responsibility is to defend against passes as well as to be the tacklers of last resort.
A safety squeeze.
Preservation from escape; close custody.
to secure a firing pin, as in guns, to keep the gun from firing
To secure (a mechanical component, as in aviation) to keep it from becoming detached even under vibration.
An offensive tactic in which a player stands so as to block a defender from reaching a teammate.
A collection of less-valuable vessels that travel with a more valuable one for the latter's protection.
Searching through a sample for a target; an act of screening
A dwarf wall or partition carried up to a certain height for separation and protection, as in a church, to separate the aisle from the choir, etc.
A physical divider intended to block an area from view, or provide shelter from something dangerous.
A technique used to identify genes so as to study gene functions.
A stencil upon a framed mesh through which paint is forced onto printed-on material; the frame with the mesh itself.
The visualised data or imagery displayed on a computer screen.
An erection of white canvas or wood placed on the boundary opposite a batsman to make the ball more easily visible.
The viewing surface or area of a movie, or moving picture or slide presentation.
The informational viewing area of electronic devices, where output is displayed.
The protective netting which protects the audience from flying objects
A frame supporting a mesh of bars or wires used to classify fragments of stone by size, allowing the passage of fragments whose a diameter is smaller than the distance between the bars or wires.
One of the individual regions of a video game, etc. divided into separate screens.
A disguise; concealment.
To stand so as to block a defender from reaching a teammate.
To determine the source or subject matter of a call before deciding whether to answer the phone.
To present publicly (on the screen).
To search chemical libraries by means of a computational technique in order to identify chemical compounds which would potentially bind to a given biological target such as a protein.
To remove information, or censor intellectual material from viewing. To hide the facts.
To fit with a screen.
To shelter or conceal.
To filter by passing through a screen.
To examine patients or treat a sample in order to detect a chemical or a disease, or to assess susceptibility to a disease.