D defs.my
Entry 1 sense Webster, 1913

Forefather

/fôrʹfäthər/ · Fore·fa·ther · IPA /ˈfɔɹˌfɑːðɚ/
01 n. One who precedes another in the line of genealogy in any degree, but usually in a remote degree; an ancestor.
  1. 1.
    One who precedes another in the line of genealogy in any degree, but usually in a remote degree; an ancestor.
    “Respecting your forefathers, you would have been taught to respect yourselves.” Burke.
Phrases & compounds
Forefathers' Day — the anniversary of the day (December 21) on which the Pilgrim Fathers landed at Plymouth, Massachusetts (1620). On account of a mistake in reckoning the change from Old Style to New Style, it has generally been celebrated on the 22d.