1. A small fork, especially one used for eating fish or dessert.
Usage: formal dining; often used in fine dining contexts
2. The webbing or membrane between the fingers or toes of an animal.
Usage: anatomy; zoology

Examples

• The formal place setting included a fourchette for the fish course.
• She used the small fourchette to eat her dessert.
• The duck's fourchette allows it to swim efficiently.
• A frog's fourchette helps it move through water.
• The waiter placed a fourchette to the left of the dinner fork.