rubber ducky

noun3

1. •
   (informal) A rubber duck.
2. •
   (informal) A species of woodlice (Cubaris sp.), which has facial markings resembling a rubber duck; typically when kept as pets.

   • The 40-year-old started rearing isopods in 2019, after he came across photos of the “rubber ducky” variety, which sports markings which give it the appearance of rubber duck toys. — 2023
3. •
   (slang) A small, flexible fixed-length antenna covered with a vinyl or rubber coating, frequently used with a handy talkie or other portable radio equipment.