I. ˈkau̇ntəbəl adjective
Etymology: Middle English, from Middle French contable, comptable, from conter, compter to count + -able — more at count
1. archaic : liable for an account : accountable , responsible
2. : capable of being counted : denumerable
a countable set
II. noun
( -s )
1. : something that is countable
2. : count noun