mas·ti·tis 
(mă-stītĭs)
(mă-stītĭs)n.
Inflammation of a mammary gland or udder, usually caused by infection.
mas·titic (-tĭtĭk) adj.
- undercount
- under cover
- undercover
- undercroft
- undercurrent
- undercut
- underdeveloped
- underdevelopment
- underdo
- underdog
- underdone
- underdrawers
- underdress
- underdrive
- undereducated
- underemphasis
- underemphasize
- underemployed
- underemployment
- underendowed
- underestimate
- underestimation
- underexpose
- underexposure
- underfeed