Trigonid

Tri´go`nid

(Zool.) The cutting region of the crown of an upper molar, usually the anterior part. That of a lower molar is the Tri"go*nid ( ).

(trī-gon'id, -gō'nid), The first three dominant cusps, taken collectively, of a lower molar tooth.
See also: trigone.

(trī'gŏ-nid) The first three dominant cusps, taken collectively, of a lower molar tooth.
See also: trigone

(trī-gō′nĭd) The first three cusps of a lower molar tooth.

(trī-gon'id) First three dominant cusps of a lower molar tooth.

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