browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
trunnion |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Trunnion \Trun"nion\, n. [OF. trognon the stock, stump, or truck of a tree, F. trognon a core, stalk, fr tron a trunk, stem. Cf {Trunk}.] 1. (Gun.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to support it on the cheeks of the carriage. See Illust. of {Cannon}. 2. (Steam Engine) A gudgeon on each side of an oscillating steam cylinder, to support it It is usually tubular, to convey steam. {Trunnion plate} (Gun.), a plate in the carriage of a gun, mortar, or howitzer, which covers the upper part of the cheek, and forms a bearing under the trunnion. {Trunnion ring} (Gun.), a ring on a cannon next before the trunnions. [R.]
This work is licensed under a
