A man raising a child on his own without a spouse or partner.

The member of a legislative house who has served the longest collective time in office. / The member of a legislative house who has served the longest current continuous period.

(neologism) Synonym of birthing father.

(neologism) A trans man who has given birth to a child.

(informal) The Mississippi River.

(nonstandard) plural of father-in-law

(obsolete) A miser or penurious person who husbands each penny.

plural of Father's Day

(religion, historical) Any of the early Christian hermits, ascetics and monks who lived mainly in the Scetes desert of Egypt, beginning around the third century AD, and were a major influence on the development of Christianity.

plural of father-figure