k) KEY NOUN:
- The posterior portion of the trunk of the human body between the neck and the pelvis; the dorsum.
- The analogous dorsal region in other animals.
- The backbone or spine.
- The part or area farthest from the front.
- The part opposite to or behind that adapted for view or use: the back of the hand; wrote on the back of the photograph.
- The reverse side, as of a coin.
- A part that supports or strengthens from the rear: the back of a couch.
- The part of a book where the pages are stitched or glued together into the binding.
- The binding itself.
- A player who takes a position behind the front line of other players in certain games, such as football and soccer.
- This playing position.
, backs VERB: tr.
- To cause to move backward or in a reverse direction: Back the car up and then make the turn.
- To furnish or strengthen with a back or backing.
- To provide with financial or moral support; support or endorse: Unions backed the pro-labor candidate. See Synonyms at support.
- To provide with musical accompaniment. Often used with up.
- To bet or wager on.
- To adduce evidence in support of; substantiate: backed the argument with facts.
- To form the back or background of: Snowcapped mountains back the village.
- To move backward: backed out of the garage.
- To shift to a counterclockwise direction. Used of the wind.
- Located or placed in the rear: Deliveries should be made at the back entrance.
- Distant from a center of activity; remote.
- Of a past date; not current: a back issue of a periodical.
- Being owed or due from an earlier time; in arrears: back pay.
- Being in a backward direction.
- Linguistics Pronounced with the back of the tongue, as oo in cool. Used of vowels.
PHRASAL VERBS: back away
- At, to, or toward the rear or back; backward.
- In, to, or toward a former location: went back for the class reunion.
- In, to, or toward a former condition.
- In, to, or toward a past time.
- In reserve or concealment.
- In check or under restraint: Barriers held the crowd back.
- In reply or return.
- To withdraw from a position; retreat.
- To withdraw from a position, opinion, or commitment.
- To retreat or draw away.
- To withdraw from something before completion.
- To fail to keep a commitment or promise.
IDIOMS: back and fill
- To cause to accumulate or undergo accumulation: The accident backed the traffic up for blocks. Traffic backed up in the tunnel.
- Computer Science To make a backup of (a program or file).
back to back
- Nautical To maneuver a vessel in a narrow channel by adjusting the sails so as to let the wind in and out of them in alteration.
- To vacillate in one's actions or decisions.
behind (one's) back
- Consecutively and without interruption: presented three speeches back to back.
have (one's) back up
- In one's absence or without one's knowledge.
off (someone's) back
- To be angry or irritated.
on (someone's) back
- No longer nagging or urging someone to do something.
- Persistently nagging or urging someone to do something.
Middle English bak
, from Old English bæcOTHER FORMS:backless(Adjective)