Sentence:  Suddenly the Spanish became an English in which only one word emerged with clarity and precision , `` son of a bitch '' , sometimes hyphenated by vicious jabs of a beer bottle into Johnson 's quivering <WSD>ribs</WSD> . 
Meaning of the word marked with <WSD> tags:  any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)