pentrough
English
Etymology
From
pen
+
trough
?
Noun
pentrough
(
plural
pentroughs
)
(
archaic
)
A
penstock
.
References
“
pentrough
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.