Geronimo /jə-ronˈi-mō/ (orig and esp US)

1. A war cry used by paratroopers on jumping into action
2. Used facetiously as a stirring shout at the moment of attack upon some venture or activity (informal)

• doubletrees
• doublets
• double-u
• double up
• double vision
• double wedding
• double weddings
• double whammy
• double witching
• double witching hour
• double-you
• double zero option
• doubling
• doublings
• doubling time
• doubloon
• doubloons
• doublure
• doublures
• doubly
• doubt
• doubtable
• doubted
• Dardanian
• Dardic