screen

1 screen /ˈskriːn/ noun
plural screens
1 screen
/ˈskriːn/
noun
plural screens
Britannica Dictionary definition of SCREEN
1 
[count]
a  : the usually flat part of a television or computer monitor that shows the images or text : the part of a television or computer that you look at when you are using it
— see picture at computer
b  : a large, flat, white surface on which images or movies are shown
2 
[noncount] : the art or profession of acting in movies
— often used before another noun
— see also big screen, silver screen
3 
[count] chiefly US : a sheet that is made of very small wire or plastic strings which are woven together and that is set in a frame in a window, door, etc., to let air in but keep insects out
4 
[count] : something that is used to hide, protect, cover, or block a person or thing: such as
a  : a group of trees or plants that separates one area from another
b  : a large, thin piece of wood, paper, or cloth that is set in a frame and used to separate one room or part of a room from another
c  : something that hides the real nature of an activity, feeling, etc.
d  sports : a planned action in some sports (such as basketball or ice hockey) in which a player or a player's view is legally blocked by an opponent
— see also smoke screen, sunscreen, windscreen
5 
[count] American football : screen pass
2 screen /ˈskriːn/ verb
screens; screened; screening
2 screen
/ˈskriːn/
verb
screens; screened; screening
Britannica Dictionary definition of SCREEN
[+ object]
1 
: to examine (people or things) in order to decide if they are suitable for a particular purpose
2 
a  : to do a test on (someone) to find out if that person has or is likely to develop a disease — usually + for
b  : to do a test on (a person's blood, urine, etc.) to find out if the person has been using an illegal substance — usually + for
3 
: to show (a movie, television show, etc.) to the public on a screen
4 
: to hide, protect, cover, or block (someone or something) with a screen
— often used figuratively

screen out

[phrasal verb]
1 
screen (someone or something) out or screen out (someone or something) : to remove (someone or something that is not suitable for a particular purpose) from a group that is being examined
2 
screen (something) out or screen out (something) : to prevent (something harmful) from passing through