retention

noun10

1. •
   The act of retaining or something retained.

   • No woman's heart / So big, to hold so much; they lack retention. — 1601
2. •
   The involuntary withholding of urine and faeces.
3. •
   The act or power of remembering things.
4. •
   Memory; what is retained in the mind.

   • "Still," Suit echoed. "The way she handles the gun jamming." Suit shook their head in admiration. "Tap, rack, bang, without hesitation. That's extraordinary retention." — 2015
5. •
   The length of time a patient remains in treatment.
6. •
   The portion of a potential damage that must be paid for by the holder of an insurance policy.
7. •
   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.

   • The right of retention, which bears a near resemblance to compensation, is chiefly competent where the mutual debts, not being liquid, cannot be the ground of compensation — 1754
8. •
   (no longer used) The act of withholding; restraint; reserve.

   • His life I gave him, and did thereto add / My love without retention or restraint, — 1601
9. •
   (no longer used) That which contains something, as a tablet; a means of preserving impressions.

   • Thy gift, thy tables, are within my brain Full character’d with lasting memory, […] That poor retention could not so much hold, Nor need I tallies thy dear love to score — 1609
10. •
    (no longer used) A place of custody or confinement.