airspeed head
noun
: a device mounted in the airstream and used to measure the airspeed of an aircraft compare pressure nozzle
Word History
First Known Use
1925, in the meaning defined above
- on firm footing
- on firm ground
- on firm ground/footing
- on first acquaintance
- on first-name terms
- on fleek
- on foot
- on form
- on full lock
- on fumes
- on furlough
- on general release
- on guard
- on guard against
- on hand
- on heat
- on her beam-ends
- on high
- on hire
- on hold
- on holiday
- on horseback
- on ice
- on impact
- on it