Definition of cover:
a covering that serves to conceal or shelter something; "a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"
bedding that keeps a person warm in bed; "he pulled the covers over his head and went to sleep"
the act of concealing the existence of something by obstructing the view of it; "the cover concealed their guns from enemy aircraft"
the protective covering on the front, back, and spine of a book; "the book had a leather binding"
a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover"
covering for a hole (especially a hole in the top of a container); "he removed the top of the carton"; "he couldn't get the top off of the bottle"; "put the cover back on the kettle"
fire that makes it difficult for the enemy to fire on your own individuals or formations; "artillery provided covering fire for the withdrawal"
a fixed charge by a restaurant or nightclub over and above the charge for food and drink
a recording of a song that was first recorded or made popular by somebody else; "they made a cover of a Beatles' song"
a false identity and background (especially one created for an undercover agent); "her new name and passport are cover for her next assignment"
provide with a covering or cause to be covered; "cover her face with a handkerchief"; "cover the child with a blanket"; "cover the grave with flowers"
form a cover over; "The grass covered the grave"
span an interval of distance, space or time; "The war extended over five years"; "The period covered the turn of the century"; "My land extends over the hills on the horizon"; "This farm covers some 200 acres"; "The Archipelago continues for another 500 miles"
provide for; "The grant doesn't cover my salary"
act on verbally or in some form of artistic expression; "This book deals with incest"; "The course covered all of Western Civilization"; "The new book treats the history of China"
include in scope; include as part of something broader; have as one's sphere or territory; "This group encompasses a wide range of people from different backgrounds"; "this should cover everyone in the group"
travel across or pass over; "The caravan covered almost 100 miles each day"
be responsible for reporting the details of, as in journalism; "Snow reported on China in the 1950's"; "The cub reporter covered New York City"
hold within range of an aimed firearm
to take an action to protect against future problems; "Count the cash in the drawer twice just to cover yourself"
hide from view or knowledge; "The President covered the fact that he bugged the offices in the White House"
protect or defend (a position in a game); "he covered left field"
maintain a check on; especially by patrolling; "The second officer covered the top floor"
protect by insurance; "The insurance won't cover this"
make up for shortcomings or a feeling of inferiority by exaggerating good qualities; "he is compensating for being a bad father"
invest with a large or excessive amount of something; "She covered herself with glory"
help out by taking someone's place and temporarily assuming his responsibilities; "She is covering for our secretary who is ill this week"
be sufficient to meet, defray, or offset the charge or cost of; "Is this enough to cover the check?"
spread over a surface to conceal or protect; "This paint covers well"
cover as if with a shroud; "The origins of this civilization are shrouded in mystery"
copulate with a female, used especially of horses; "The horse covers the mare"
put something on top of something else; "cover the meat with a lot of gravy"
play a higher card than the one previously played; "Smith covered again"
be responsible for guarding an opponent in a game
sit on (eggs); "Birds brood"; "The female covers the eggs"
clothe, as if for protection from the elements; "cover your head!"