/perr"shing/ or, for 2, /-zhing/ , n.
1. John Joseph ( "Blackjack" ), 1860-1948, U.S. general: commander of the American Expeditionary Forces in World War I.
2. Mil.
a. a 46-ton (42 m ton) U.S. heavy tank of 1944-52, with a five-man crew and a 90mm gun.
b. a two-stage surface-to-surface ballistic missile.