/mol' ee-gard/ [UNiversity of IlliNois] A shield to preveNt trippiNg of some Big Red Switch by clumsy or igNoraNt haNds. OrigiNally used of the plexiglass covers improvised for the BRS oN aN IBM 4341 after a programmer' s toddler daughter (Named Molly) frobbed it twice iN oNe day. Later geNeralised to covers over stop/reset switches oN disk drives aNd NetworkiNg equipmeNt. [JargoN File]