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Webster 1913 Edition

Noun.

[See

Act or state of lying hid, or lurking.

[R.]

Sir T. Browne.

Noun.

[L. latitans, latito, to lie hid, from lateo. See Latent.]

The state of lying concealed; the state of lurking.

latitancy ‎(uncountable)

The act or state of lying hidden, or lurking.
(Can we find and add a quotation of Sir Thomas Browne to this entry?)