Noun
a United States coin worth half of a dollar
Source: WordNethalf dollar
From 1951 to 1954, he was depicted on a commemorative half dollar coin. Source: Internet
With the release of the 1965 half dollar, which was legally required to be accepted at the same value as the earlier 90% halves, the older 90% silver coinage quickly disappeared from circulation, while the newer debased coins remained in use. Source: Internet
The half-dollar continued to be minted in a 40% silver-clad composition between 1965 and 1970. Source: Internet
The patent for insulin was sold to the University of Toronto for one half-dollar. Source: Internet