capsquare
English
Etymology
From
cap
+
square
.
Noun
capsquare
(
plural
capsquares
)
(
military
,
history
)
A
metal
plate
that covers the
trunnions
of a
cannon
and holds it in place.
References
“
capsquare
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.