Sentence:  The <WSD>rest</WSD> of us were engaged in various occupations: Mr. Trevor relating experiences of steamboat days on the Ohio to Mrs. Cooke; Miss Trevor buried in a serial in the Century; and Farrar and I taking an inventory of the fishing-tackle, when we were startled by a loud and profane ejaculation. 
Meaning of the word marked with <WSD> tags:  Those not included in a proposition or description; the remainder; others.