As nouns the difference between cliff and headwall
is that cliff is a vertical (or nearly vertical) rock face while headwall is the highest cliff of a glacial cirque.
As a proper noun Cliff
is a diminutive of the male given name Clifford.
cliff
Etymology 1
(etyl) clif .
Noun
(
en noun)
A vertical (or nearly vertical) rock face.
Synonyms
* precipice
Derived terms
* cliff swallow
* cliff-face
* cliffed
* cliffhanger
* cliffing
* cliffy
Etymology 2
headwall
English
Noun
(
en noun)
(
wikipedia headwall)
(geography) The highest cliff of a glacial cirque.
(geology) The steep cliff at the back of a cirque.
(civil engineering) A retaining wall at the outlet of a drain or culvert.