a. Obs. rare. [f. BIRTH1 + -FUL.] Prolific, productive.

1

1483.  Cath. Angl., 33. Birthfulle, fetosus.

2

1596.  J. Dalrymple, Leslie’s Hist. Scot. (1884–5), 9. The ane parte lyeng to the South is mekle birthfuller, throuch fertilitie of the ground.

3