To cut lengthwise into strips; split.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "slit" in a sentence
"In fact, as already explained, _every point of the wave which fills the slit is itself a centre of a new wave system which is transmitted in all directions through the ether behind the slit_."
"Christian thinks the thigh slit is a little high, but Heidi loves it."
"Her slit is stretched out and smelly, but she lets us use Vaseline in the rolls of her belly fat."