parpen noun. ['pɑ:p(ǝ)n] Also parpend ['pɑ:p(ǝ)nd]. ME.
[Old French parpain, per- (mod. parpaing), medieval Latin parpanus, prob. from Proto-Romance, from Latin per through + pannus (see PANE noun¹).]
1. A stone running through a wall from side to side, with two smooth vertical faces; a bondstone. Also, a stone squared or dressed for this purpose. Also parpen stone. ME.

2. In full parpen wall. A thin wall built of parpen stones or of single bricks; esp. an interior partition-wall. LME.

[TahlilGaran] English Dictionary ▲