• Webster's Revised Unabridged Dictionary
    • a Trapeziform Having the form of a trapezium; trapezoid.
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Century Dictionary and Cyclopedia
    • trapeziform Having the shape of a trapezium.
    • trapeziform In zoology, trapezoidal.
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Chambers's Twentieth Century Dictionary
    • Trapeziform having the form of a trapeze
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Webster's Revised Unabridged Dictionary
Trapezium, + -form,: cf. F. trapéziforme,
Chambers's Twentieth Century Dictionary
Gr. trapezion dim. of trapeza, a table; from tetra, four, pous, podos, a foot.


In literature:

Trapeziform: in the form or shape of a trapezium.
"Explanation of Terms Used in Entomology" by John. B. Smith