1. a small amphibian with smooth skin, long hind legs for jumping, and no tail
2. a decorative fastening on clothing consisting of a button and a loop
3. a block or wedge placed on railroad tracks to guide wheels or prevent movement
Usage: railroad

Examples

• The frog jumped into the pond with a splash.
• We could hear frogs croaking near the lake at night.
• The military jacket had gold frogs across the front.
• Her coat was fastened with decorative frogs instead of buttons.
• The train stopped when it hit a frog on the tracks.
• Railroad workers placed frogs at the junction to guide the cars.
• The children caught tadpoles that would grow into frogs.