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
butterfly nut
noun
1.
a threaded nut with winglike projections for thumb and forefinger leverage in turning
wingnut
thumbnut
wing nut
wing-nut
wing screw