Nib Pen Containing an Internal Supply of Ink

This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1587, Puzzle 4 (Antero Vipunen).

Question is: Nib Pen Containing an Internal Supply of Ink

and the answer is: FOUNTAIN

Word Meaning:

FOUNTAIN — (originally) A natural source of water; a spring.

Definitions from Wiktionary.

Nib pen containing an internal supply of ink — CodyCross Answer | CodyCross Solutions