noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The large, hollow part of an organ farthest from an opening; especially:; The top, hollow portion of the uterus.
2. 2
   (anatomy) the base of a hollow organ or that part of the organ farthest from its opening wordnet
3. 3
   The large, hollow part of an organ farthest from an opening; especially:; The back, interior part of the eye, accommodating the retina and associated blood vessels, etc.
4. 4
   The large, hollow part of an organ farthest from an opening; especially:; The uppermost hollow of the stomach, which in humans forms a bulge above where the oesophagus enters the stomach.
5. 5
   The large, hollow part of an organ farthest from an opening; especially:; The deepest part of a sulcus, such as of the sulci of the human cerebral cortex.

Synonyms

All synonyms

bottom

Antonyms

All antonyms

vertex

Etymology

PIE word *bʰudʰmḗn From Latin fundus (“bottom”). Doublet of fond and fund.

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