These are the meanings of the letters RCEAB when you unscramble them.
            
                
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                    Acerb (a.)
                    
                        Sour, bitter, and harsh to the taste, as unripe fruit; sharp   and harsh.
                     
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                    Brace (n.)
                    
                        A cord, ligament, or rod, for producing or maintaining   tension, as a cord on the side of a drum.
                     
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                    Brace (n.)
                    
                        A curved instrument or handle of iron or wood, for holding   and turning bits, etc.; a bitstock.
                     
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                    Brace (n.)
                    
                        A pair; a couple; as, a brace of ducks; now rarely applied   to persons, except familiarly or with some contempt.
                     
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                    Brace (n.)
                    
                        A piece of material used to transmit, or change the   direction of, weight or pressure; any one of the pieces, in a frame or   truss, which divide the structure into triangular parts. It may act as   a tie, or as a strut, and serves to prevent distortion of the   structure, and transverse strains in its members. A boiler brace is a   diagonal stay, connecting the head with the shell.
                     
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                    Brace (n.)
                    
                        A rope reeved through a block at the end of a yard, by which   the yard is moved horizontally; also, a rudder gudgeon.
                     
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                    Brace (n.)
                    
                        A vertical curved line connecting two or more words or   lines, which are to be taken together; thus, boll, bowl; or, in music,   used to connect staves.
                     
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                    Brace (n.)
                    
                        Armor for the arm; vantbrace.
                     
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                    Brace (n.)
                    
                        Harness; warlike preparation.
                     
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                    Brace (n.)
                    
                        Straps or bands to sustain trousers; suspenders.
                     
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                    Brace (n.)
                    
                        That which holds anything tightly or supports it firmly; a   bandage or a prop.
                     
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                    Brace (n.)
                    
                        The mouth of a shaft.
                     
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                    Brace (n.)
                    
                        The state of being braced or tight; tension.
                     
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                    Brace (v. i.)
                    
                        To get tone or vigor; to rouse one's energies; -- with   up.
                     
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                    Brace (v. t.)
                    
                        To bind or tie closely; to fasten tightly.
                     
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                    Brace (v. t.)
                    
                        To draw tight; to tighten; to put in a state of tension;   to strain; to strengthen; as, to brace the nerves.
                     
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                    Brace (v. t.)
                    
                        To furnish with braces; to support; to prop; as, to brace   a beam in a building.
                     
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                    Brace (v. t.)
                    
                        To move around by means of braces; as, to brace the   yards.
                     
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                    Brace (v. t.)
                    
                        To place in a position for resisting pressure; to hold   firmly; as, he braced himself against the crowd.
                     
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                    Caber (n.)
                    
                        A pole or beam used in Scottish games for tossing as a trial   of strength.