Noun: fontanel ,fón-tu'nel
- Any membranous gap between the bones of the cranium in an infant or foetus
"The anterior fontanel usually closes by 18 months of age";
- fontanelle, soft spot
Derived forms: fontanels
Type of: opening, orifice, porta
Part of: braincase, brainpan, child's body, cranium
Encyclopedia: Fontanel