Air bladder

noun

Definitions

Noun
  1. 1
    An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.
  2. 2
    an air-filled sac near the spinal column in many fishes that helps maintain buoyancy wordnet
  3. 3
    A type of packing material that consists of an airtight bag full of air, used to cushion fragile items.

    "The company used to be notorious for excessive packaging, and social media grew littered with examples: three pairs of socks wrapped in puffy air bladders[…]"

Next best steps

Mini challenge

Unscramble this word: airbladder