The process by which something is unrolled. / (historical) A pseudoscientific entertainment spectacle at which a mummy was unwrapped.

(nautical) Initialism of deep submergence rescue vehicle.

(UK, law, obsolete) An excuse for not appearing in court at the return of process; the allegation of an excuse to the court. / (obsolete) Excuse; exemption.

To depend mutually; to depend on each other.