I. found ‧ er 1 AC /ˈfaʊndə $ -ər/ BrE AmE noun [countable]
[ Word Family: verb : found; noun : ↑ founder ]
someone who establishes a business, organization, school etc
II. founder 2 BrE AmE verb [intransitive] formal
[ Date: 1300-1400 ; Language: Old French ; Origin: fondrer , from Latin fundus 'bottom' ]
1 . to fail after a period of time because something has gone wrong:
Their marriage began to founder soon after the honeymoon.
founder on
The talks foundered on disagreements between the two parties.
2 . if a ship or boat founders, it fills with water and sinks
founder on
The ship foundered on the rocks.