† pug pilen.
Origin: Perhaps formed within English, by compounding. Etymons: pug v.2, pile n.1
Etymology: Perhaps < pug v.2 + pile n.1, after pug-pile v. (compare discussion at that entry).
Engineering.
Obsolete.
rare.
1850 J. Ogilvie Pug-piles, piles mortised into each other by a dovetail joint. They are also called Dovetailed Piles.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).