As verbs the difference between trenching and grooving
is that trenching is while grooving is .
As a noun grooving is
a groove; a long indentation.
grooving
English
Verb
(head)
Noun
(
en noun)
A groove; a long indentation.
* 1842 , Chambers's Edinburgh journal (page 4)
- It appears that moraines and groovings , exactly resembling those of the Alpine regions, are found in all those districts.