To render useless or void; to annul; to reject; to send away.(verb)
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Use "cass" in a sentence
"The woman is at once arrested and made to drink the juice of a wood called cass-wood, which often kills her at once."
"Cassette tape files now get file name extension "cass" instead of "aif"."
"The storm unleashed by a blog post exploring a model in which loans go to microfinance institutions, not necessarily the specific Mr. goat herder or Ms. cass ..."