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The Collaborative International Dictionary of English v.0.48 (gcide)

Seal \Seal\, v. t. [imp. & p. p. {Sealed}; p. pr. & vb. n.
{Sealing}.] [OE. selen; cf. OF. seeler, seieler, F. sceller,
LL. sigillare. See {Seal} a stamp.]
1. To set or affix a seal to; hence, to authenticate; to
confirm; to ratify; to establish; as, to seal a deed.
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And with my hand I seal my true heart's love.
--Shak.
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2. To mark with a stamp, as an evidence of standard
exactness, legal size, or merchantable quality; as, to
seal weights and measures; to seal silverware.
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3. To fasten with a seal; to attach together with a wafer,
wax, or other substance causing adhesion; as, to seal a
letter.
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4. Hence, to shut close; to keep close; to make fast; to keep
secure or secret.
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Seal up your lips, and give no words but "mum".
--Shak.
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5. To fix, as a piece of iron in a wall, with cement,
plaster, or the like. --Gwilt.
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6. To close by means of a seal; as, to seal a drainpipe with
water. See 2d {Seal}, 5.
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7. Among the Mormons, to confirm or set apart as a second or
additional wife. [Utah, U.S.]
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If a man once married desires a second helpmate . .
. she is sealed to him under the solemn sanction of
the church. --H.
Stansbury.
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