shut in

shut in (third-person singular simple present shuts in, present participle shutting in, simple past and past participle shut in)

1. (transitive) To confine.

   We need to shut the dog in so he doesn't escape.

2. (transitive) To completely surround or enclose.
3. (intransitive, dated) To settle down, or fall; to arrive; (said of evening, etc.)
   • 1846, George Barrell Cheever, Wanderings of a Pilgrim in the Shadow of Mont Blanc (page 6)

     Then there are the golden hues of twilight shadowed in the lake, and the light veil of mist drawing across the foliage of the valley as the evening shuts in upon it.

• unshit