Correct

卯眼

/ mǎo yǎn / 
Strokes

Definition

mortise/slit

Example

As a Noun

mortise

1
Yuánmǎoyǎn
圆卯眼

round mortise

2
Fāngmǎoyǎn
方卯眼

square mortise

3
Záo
凿
mǎoyǎn
卯眼

cut/chisel a mortise

4
Dá
打
mǎoyǎn
卯眼

drill a mortise