retention

The act of retaining or something retained

The act or power of remembering things

A memory; what is retained in the mind

The involuntary withholding of urine and faeces

The length of time an individual remains in treatment

That which contains something, as a tablet; a means of preserving impressions.

The act of withholding; restraint; reserve.

A place of custody or confinement.

The right to withhold a debt, or of retaining property until a debt due to the person claiming the right is duly paid; a lien.