Sentence:  A quarter is two <WSD>bits</WSD>. 
Meaning of the word marked with <WSD> tags:  An eighth of a dollar. Note that there is no coin minted worth 12.5 cents. (When this term first came into use, the Spanish 8 reales coin was widely used as a dollar equivalent, and thus the 1 real coin was equivalent to 12.5 cents.)