These are the meanings of the letters BLSAT- when you unscramble them.
            
                
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                    Blast (n.)
                    
                        A flatulent disease of sheep.
                     
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                    Blast (n.)
                    
                        A forcible stream of air from an orifice, as from a bellows,   the mouth, etc. Hence: The continuous blowing to which one charge of   ore or metal is subjected in a furnace; as, to melt so many tons of   iron at a blast.
                     
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                    Blast (n.)
                    
                        A sudden, pernicious effect, as if by a noxious wind,   especially on animals and plants; a blight.
                     
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                    Blast (n.)
                    
                        A violent gust of wind.
                     
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                    Blast (n.)
                    
                        The act of rending, or attempting to rend, heavy masses of   rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also,   the charge used for this purpose.
                     
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                    Blast (n.)
                    
                        The exhaust steam from and engine, driving a column of air   out of a boiler chimney, and thus creating an intense draught through   the fire; also, any draught produced by the blast.
                     
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                    Blast (n.)
                    
                        The sound made by blowing a wind instrument; strictly, the   sound produces at one breath.
                     
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                    Blast (v. i.)
                    
                        To be blighted or withered; as, the bud blasted in the   blossom.
                     
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                    Blast (v. i.)
                    
                        To blow; to blow on a trumpet.
                     
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                    Blast (v. t.)
                    
                        Hence, to affect with some sudden violence, plague,   calamity, or blighting influence, which destroys or causes to fail; to   visit with a curse; to curse; to ruin; as, to blast pride, hopes, or   character.
                     
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                    Blast (v. t.)
                    
                        To confound by a loud blast or din.
                     
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                    Blast (v. t.)
                    
                        To injure, as by a noxious wind; to cause to wither; to   stop or check the growth of, and prevent from fruit-bearing, by some   pernicious influence; to blight; to shrivel.
                     
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                    Blast (v. t.)
                    
                        To rend open by any explosive agent, as gunpowder,   dynamite, etc.; to shatter; as, to blast rocks.
                     
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                    blats (unknown)
                    
                        Sorry. I don't have the meaning of this word.