Shipbuilder of note (4)
I believe the answer is:
'shipbuilder of note' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for noah that I've seen before include "Old ship builder" , "Great Biblical boatman" , "Historic sailor" , "His sons were Shem, Ham and Japheth" , "Biblical arkwright" .)