fundus

American

[fuhn-duhs] / ˈfʌn dəs /

noun

Anatomy.

plural

fundi

the base of an organ, or the part opposite to or remote from an aperture.

fundus British

/ ˈfʌndəs /

noun

anatomy the base of an organ or the part farthest away from its opening

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

fundic adjective

Etymology

Origin of fundus

1745–55; < Latin: literally, bottom

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s derived from the Latin fundus, meaning base or bottom.

From The Wall Street Journal • Apr. 7, 2026

The original sense of “bottom” survives in many words related to “fund,” including foundation, fundamental, profound and the medical term fundus, the area of a hollow organ that is farthest away from the organ’s opening.

From The Wall Street Journal • Apr. 7, 2026

One problem is that the algorithm required pristine fundus images.

From BBC • Dec. 16, 2024

Fundus autofluorescence is a non-invasive method for imaging the fundus of the eye.

From Science Daily • Apr. 25, 2024

Hunc et incomptis Curium capillis Utilem bello tulit et Camillum Saeva paupertas et avitus apto 44 Cum lare fundus.

From Helps to Latin Translation at Sight by Luce, Edmund

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023