cass

From Middle English cassen, from Old French casser, from Late Latin cassō, from Latin cassus (“empty, hollow”), and perhaps influenced by quassō (“to shake, shatter”).

cass (third-person singular simple present casses, present participle cassing, simple past and past participle cassed)

1. (obsolete, transitive) To render moot or void; to annul; to reject^[1]
   • 1687 James II/VII of England, Scotland, France, and Ireland Declaration of Indulgence

     […] Do therefore, with Advice and Consent aforesaid, Cass, Annul and Discharge all Oaths whatsoever, by which any of Our Subjects are incapacitated or disabled from holding Places, or Offices in Our said Kingdom […]

cass

1. (computing, dated) Abbreviation of cassette.
   • 1985, Stephen Doyle, GCSE Computer Studies for You, page 214:

     STOCK CONTROL / CASS / DATASOFT / 12.81

   • 1988, PC Mag, volume 7, number 7, page 62:

     Radio Shaft color computer w/printer & cass. drive, several programs, $250.

• Sacs, CSAs, ASCs, SACs, CSSA, sacs

From Old Irish cos.

• IPA^(key): /kas/, [kaːs]

cass f (genitive singular coshey, plural cassyn)

1. foot, leg

   Ta cass echey 'syn oaie. ― He has one foot in the grave.

• daa-chassagh, daa-choshagh
• yl-chassagh, yl-choshagh