en_tn_lite_do_not_use/1co/11/05.md

with her head uncovered

without a veil, which was worn on the top of the head, extending down past the shoulders, but leaving the face uncovered.

dishonors her head

Possible meanings are 1) “brings disgrace on herself” (UDB), or 2) “brings disgrace on her husband.”

as if her head were shaved

As if she had removed all the hair on her head with a razor.

If it is disgraceful for a woman...

Unlike modern times, it was a mark of disgrace or humiliation for a woman to have her hair shaved off or cut short.

cover her head

"place a cloth or veil over her head."