slit (slits plural & 3rd person present) (slitting present participle )
The form slit is used in the present tense and is the past tense and past participle.
1 verb If you slit something, you make a long narrow cut in it.
They say somebody slit her throat... V n
He began to slit open each envelope... V n with open
She was wearing a white dress slit to the thigh. V-ed to/from n
2 n-count A slit is a long narrow cut.
oft N in n
Make a slit in the stem about half an inch long.
3 n-count A slit is a long narrow opening in something.
oft N in n
She watched them through a slit in the curtains.