walking bus
noun
A supervised group of children walking between school and home, and joining or leaving the group at designated points.
Origin
1990s.
- oxygenizer
- oxygenless
- oxygen mask
- oxygenous
- oxygen tent
- oxygen toxicity
- oxygon
- oxyhaemocyanin
- oxyhaemoglobin
- oxyhelium
- oxyhemoglobin
- oxyhexaster
- oxyhydrate
- oxyhydrocarbon
- oxyhydrogen
- oxyhydrogen blowpipe
- oxyhydroxide
- oxyiodide
- oxyiodine
- oxyluciferin
- oxymel
- oxymetric
- oxymoron
- oxymoronic
- oxymoronically