Definitions of mayfly
Top Definition

1. The most beautiful of aquatic insects, the mayfly is characterized by an upswept wing and long, delicate two- or three-stranded tail. The mayfly goes through three stages -- egg, nymph, and adult -- then metamorphoses once again from a sub-imago adult to a spinner.

Fishing Slang Similar to mayfly

stonefly, midge, caddis, adult insect, dry fly, spinner, baetis, green drake