1. The flat, upper surfaces of anvils, typically made of hardened steel and used as a work surface for shaping metal.
Usage: Usually used in plural form; Blacksmithing and metalworking contexts
2. Cumulonimbus cloud formations with flat, anvil-shaped tops, characteristic of severe thunderstorms.
Usage: Meteorology term; Usually used in plural form

Examples

• The blacksmith carefully positioned the hot metal on the anviltops to begin forging.
• Experienced metalworkers know that well-maintained anviltops are essential for quality work.
• Storm chasers watched as the anviltops of the thunderstorm spread across the upper atmosphere.
• The anviltops of the cumulonimbus clouds indicated severe weather was approaching.
• Different anviltops on various anvils provide different working surfaces for specialized metalworking tasks.