Crossword clues for 21 guns.:SALVOEDOffered a 21-gun saluteSALVO21-gun salute, e.g.SALUTE21 guns.INTERNATIONALSALUTEStandard 21-gun courtesy.SALUTE21-gun ritualSALUTEFire 21 gunsSALVOS21-gun salutes, e.g.