cit·a·del 
(sĭtə-dəl, -dĕl′)
(sĭtə-dəl, -dĕl′)n.
1. A fortress in a commanding position in or near a city.
2. A stronghold or fortified place; a bulwark.
[French citadelle, from Italian cittadella, diminutive of città, city, from Latin cīvitās; see CITY.]
- absorbedly
- absorbefacient
- absorbency
- absorbent
- absorber
- absorbingly
- absorptance
- absorptiometry
- absorption
- absorption nebula
- absorption spectrum
- absorptive
- absorptivity
- absquatulate
- abstain
- abstainer
- abstemious
- abstemiously
- abstemiousness
- abstention
- abstinence
- abstinent
- abstinently
- abstract
- abstracted