air·head 2 
(ârhĕd′)
(ârhĕd′)n.
An area of hostile or enemy-controlled territory secured by paratroops or air-assault forces.
[AIR + (BEACH)HEAD.]
- investigative
- investigator
- investigatorial
- investigatory
- investiture
- investment
- investment bank
- investor
- inveteracy
- inveterate
- inveterately
- inveterateness
- inviability
- inviable
- invidious
- invidiously
- in view of
- invigorate
- invigoratingly
- invigoration
- invigorator
- invincibility
- invincible
- invincibleness
- invincibly