These are the meanings of the letters LEBTROS when you unscramble them.
            
                
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                    Bolster (n.)
                    
                        A block of wood on the carriage of a siege gun, upon which   the breech of the gun rests when arranged for transportation.
                     
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                    Bolster (n.)
                    
                        A cushioned or a piece of soft wood covered with tarred   canvas, placed on the trestletrees and against the mast, for the   collars of the shrouds to rest on, to prevent chafing.
                     
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                    Bolster (n.)
                    
                        A cushioned or a piece part of a saddle.
                     
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                    Bolster (n.)
                    
                        A long pillow or cushion, used to support the head of a   person lying on a bed; -- generally laid under the pillows.
                     
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                    Bolster (n.)
                    
                        A pad, quilt, or anything used to hinder pressure, support   any part of the body, or make a bandage sit easy upon a wounded part; a   compress.
                     
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                    Bolster (n.)
                    
                        A plate of iron or a mass of wood under the end of a   bridge girder, to keep the girder from resting directly on the   abutment.
                     
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                    Bolster (n.)
                    
                        A transverse bar above the axle of a wagon, on which the   bed or body rests.
                     
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                    Bolster (n.)
                    
                        Anything arranged to act as a support, as in various forms   of mechanism, etc.
                     
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                    Bolster (n.)
                    
                        Anything used to prevent chafing.
                     
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                    Bolster (n.)
                    
                        That part of a knife blade which abuts upon the end of the   handle.
                     
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                    Bolster (n.)
                    
                        The crossbeam forming the bearing piece of the body of a   railway car; the central and principal cross beam of a car truck.
                     
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                    Bolster (n.)
                    
                        The metallic end of a pocketknife handle.
                     
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                    Bolster (n.)
                    
                        the perforated plate in a punching machine on which   anything rests when being punched.
                     
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                    Bolster (n.)
                    
                        The rolls forming the ends or sides of the Ionic capital.
                     
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                    Bolster (v. t.)
                    
                        To support with a bolster or pillow.
                     
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                    Bolster (v. t.)
                    
                        To support, hold up, or maintain with difficulty or   unusual effort; -- often with up.
                     
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                    bolters (unknown)
                    
                        Sorry. I don't have the meaning of this word.
                     
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                    Lobster (n.)
                    
                        Any large macrurous crustacean used as food, esp. those of   the genus Homarus; as the American lobster (H. Americanus), and the   European lobster (H. vulgaris). The Norwegian lobster (Nephrops   Norvegicus) is similar in form. All these have a pair of large unequal   claws. The spiny lobsters of more southern waters, belonging to   Palinurus, Panulirus, and allied genera, have no large claws. The   fresh-water crayfishes are sometimes called lobsters.