striper

noun3

1. •
   The striped bass, Morone saxatilis, a popular sport fish native to North America.

   • I caught a striper today.
2. •
   A device that applies stripes.

   • We rented a line striper for the parking lot.
3. •
   [in compounds] A person who is authorized to wear a certain number of stripes on his or her uniform.

   • He's a four-striper, a group captain. — 1956