Definition of penholder:
(n) :
A handle into which a nib or other penpoint is fitted to form a pen.
(n) :
A device for storing pens while they are not being used.
(n) :
(diplomacy) a member of the United Nations Security Council with responsibility for [a specified issue]
(n) :
Alternative form of penhold. [(countable) A manner of placing a pen within one's fingers.]