To withdraw into such a case.
To envelop in a protective case.
The silky protective case spun by the larvae of some insects in which they metamorphose, the pupa.
Any similar protective case, whether real or metaphorical.
To expel; to put out.
To omit from consideration.
To bar (someone or something) from entering; to keep out.
To refuse to accept (evidence) as valid.
To eliminate from diagnostic consideration.