Fonticulus

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of fontanelle (“membranous spot on the head of a baby”).
  2. 2
    A small artificial ulcer produced by caustics or a lancet.
  3. 3
    The depression just over the top of the breastbone.

Etymology

From Latin fonticulus, diminutive of fons.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.