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)

• fire departments
• firedog
• firedogs
• fire door
• fire doors
• firedrake
• firedrakes
• fire drill
• fire drills
• fire-eater
• fire-eaters
• fire-edge
• fire-edges
• fire engine
• fire engines
• fire escape
• fire escapes
• fire extinguisher
• fire extinguishers
• fire-eyed
• firefight
• firefighter
• firefighters
• firefighting
• firefights