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Webster 1913 Edition

Noun.

[L.

tetraptotum

, Gr. [GREEK].]

(Gram.)

A noun that has four cases only.

Andrews.

Noun.

[Gr. four, and case.] In grammar, a noun that has four cases only. As L. astus, &c.

tetraptote ‎(plural tetraptotes)

(grammar) A noun that has only four cases.
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