a-ridgeadv.

/əˈrɪdʒ/Etymology: a prep.1 + ridge n.1
rare.
the world > space > shape > unevenness > projection or prominence > corrugation > [adverb] > in a ridged manner
1862 J. R. Lowell 2nd Ser. 41 To set your back aridge.
This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022).