A hollow route, adapted to cover troops and facilitate their approach to a place.(noun)
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Use "cavin" in a sentence
"Is this an indication that Arlen Spectator has lost his bid ta extort Holder into cavin in on surveillance and torture?"
"We can take teh blooberrie syrups I alreddy got in antisipashun of u cavin in to my big teary eyed pleeding luk and taek it to the last thred and use it to make a stickee trap fur that troll!"
"Amos asked her for the key to the cabin door, and she went to the back porch and took one off a nail, but it wouldn't fit the lock, and before she could get another to try, the roof was on fire and cavin 'in."