The Collaborative International Dictionary
Praescutum
Praeoral \Pr[ae]*o"ral\, n., Praepubis \Pr[ae]*pu"bis\, n., Praescapula \Pr[ae]*scap"u*la\, n., Praescutum \Pr[ae]*scu"tum\, n., Praesternum \Pr[ae]*ster"num\, n. Same as Preoral, Prepubis, Prescapula, etc.
Wiktionary
praescutum
n. (archaic form of prescutum English)