Verb
(etching) To use an acid-resistant liquid (stopout) to cover the parts of a surface that should not be bitten.
(dated) To stay out all night without returning home.
Source: en.wiktionary.orgAlthough they may "stop out," finding it necessary to skip a semester for various reasons, they rarely drop out, she said. Source: Internet
The band’s upcoming new single, “Maria,” will be highlighted during the spring tour, of which The Block is the third stop out of 15 cities across the Midwest and East Coast. Source: Internet