Sentence:  One moment , the road was filled with disciplined troops , marching four by four with a purpose as implacable as death ; the next , a cloud of gun smoke covered a screaming fury of sound , out of which the <WSD>redcoat</WSD> soldiers emerged with their bayonets and their cursing fury . 
Meaning of the word marked with <WSD> tags:  British soldier; so-called because of his red coat (especially during the American Revolution)