[ˌfɒntəˈnɛl], (Noun)

Definitions:
- a space between the bones of the skull in an infant or fetus, where ossification is not complete and the sutures not fully formed. The main one is between the frontal and parietal bones


Phrases:

Origin:
late Middle English (denoting a hollow of the skin between muscles): from medieval Latin fontanella and French fontanelle, a diminutive of fontaine (see fountain). The current sense dates from the late 16th century