| red blood cell |
a cell in the blood that carries oxygen to the body's tissues. |
| redcoat |
a British soldier in colonial America during the American Revolution and other wars. |
| Red Cross |
an international organization that gives medical care to people hurt during wars and natural disasters. |
| redeem |
to exchange for cash, prizes, or other goods. [2 definitions] |
| red-handed |
in the act of doing something wrong or illegal. |
| Red Sea |
a part of the Indian Ocean. It lies between the Arabian Peninsula and East Africa. The Suez Canal connects it to the Mediterranean Sea. |
| reduce |
to make less in amount or size. [2 definitions] |
| reduction |
the act of reducing or state of being reduced. [2 definitions] |
| redwood |
a very tall evergreen tree found in northwestern North America. Redwoods live for a long time and are among the largest trees in the world. [2 definitions] |
| reed |
a tall grass with straight, jointed stalks that grows in low, wet areas. [2 definitions] |
| reef1 |
a ridge of rock, sand, or coral at or near the surface of ocean waters. |
| reek |
to put out a strong and unpleasant smell (often fol. by "of"). [2 definitions] |
| reel1 |
a spool or other device on which fishing line, cord, tape, film, or other material can be wound. [4 definitions] |
| reel2 |
to sway, stagger, or lose one's balance. [2 definitions] |
| reel3 |
a lively Scottish folk dance, or the music that it is danced to. |
| reelect |
to be chosen again by means of voting; to elect again. |
| reel off |
say quickly and easily. |
| reentry |
an act of entering again. [2 definitions] |
| ref |
(informal) a referee. |
| refer |
to send or direct to a source for help. [3 definitions] |
| referee |
a sports official who makes sure that players follow the rules of the game. [2 definitions] |