Sentence:  Brian and Abby signed the <WSD>word</WSD> "clothing", in which the thumbs brush down the chest as though something is hanging there. They both spoke the <WSD>word</WSD> "clothing". Brian then signed the <WSD>word</WSD> for "change", ... 
Meaning of the word marked with <WSD> tags:  (Q8171)The smallest unit of language that has a particular meaning and can be expressed by itself; the smallest (contrast "morpheme".)