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

Insertion \In*ser"tion\, n. [L. insertio: cf. F. insertion. See
{Insert}.]
[1913 Webster]
1. The act of inserting; as, the insertion of scions in
stocks; the insertion of words or passages in writings.
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2. The condition or mode of being inserted or attached; as,
the insertion of stamens in a calyx.
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3. That which is set in or inserted, such as a word or
passage in a composition, or a narrow strip of embroidered
lace, muslin, or cambric; as, there were numerous
insertions and corrections to the first draft.
[1913 Webster PJC]

4. (Anat.) The point or part by which a muscle or tendon is
attached to the part to be moved; -- in contradistinction
to its {origin}.
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{Epigynous insertion} (Bot.), the insertion of stamens upon
the ovary.

{Hypogynous insertion} (Bot.), insertion beneath the ovary.
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