From French fontanelle, from Old French fontenelle.
Variant of fontanel
- Obsolete an opening in the body for the discharge of secretions
- any of the soft, boneless areas in the skull of a baby or young animal, which are later closed up by the formation of bone
Origin of fontanelMiddle English fontinel, a hollow, pit (of the body) ; from Old French fontanele, diminutive of fontaine, fountain