sea·cock 
(sēkŏk′)
(sēkŏk′)n.
A valve in the hull of a boat or ship that may be opened to let in or discharge water, as in filling or emptying a ballast tank.
- repellently
- repeller
- repent
- repent
- repentance
- repentant
- repentantly
- repenter
- repercussion
- repercussive
- reperfusion
- repertoire
- repertorial
- repertory
- repertory company
- repetend
- repetition
- repetitional
- repetitious
- repetitiously
- repetitiousness
- repetitive
- repetitively
- repetitiveness
- repetitive strain injury