Fōnt’a-nĕl’, n.

noun

n. [Fr. fontanelle, properly a little fountain, from fontaine, fountain; It. fontanella, Pr. fontanilha, L. Lat. fontenella, Sp. fuentecilla.]

  1. (Med.) An issue for the discharge of humors from the body. Hall.
  2. (Anat.) A space occupied by a cartilaginous membrane in a fetus or new-born child, and situated at the union of the angles of the bones of the cranium. Dunglison.