vis·count·ess 
(vīkoun′tĭs)
(vīkoun′tĭs)n.
1. The wife or widow of a viscount.
2. A noblewoman holding the rank of viscount in her own right.
3. Used as a title for such a noblewoman.
- overstretch
- overstride
- overstrung
- overstuff
- oversubscribe
- oversubscription
- oversupply
- overt
- overtake
- overtax
- overtaxation
- over the counter
- over-the-counter
- over the hill
- over-the-hill
- over the hump
- over the moon
- over-the-top
- over the top
- over the transom
- overthrow
- overthrust fault
- overtime
- overtire
- overtly