nounNorth American informal
A wasp or hornet with bright yellow markings.
More example sentences
- As with any type of wasp, bee, or yellow jacket, please exercise care to avoid getting stung!
- Hornets and yellow jackets are paper wasps, too, but they build enclosed nests.
- The grasses who will grow tall as a woman in a few months, creating habitat for yellow jackets, snakes and such.
Definition of yellow jacket in:
- The British & World English dictionary