Defn: Like or pertaining to the trogons.

TROGUE
Trogue, n. Etym: [Cf. G. trog trough, E. trough.] (Mining)

Defn: A wooden trough, forming a drain. Raymond.

TROIC
Tro"ic, a. Etym: [L. Troicus, Gr. Trojan.]

Defn: Pertaining to Troy; Trojan. Gladstone.

TROILITE Tro"i*lite, n. Etym: [Named after Dominico Troili, an Italian of the 18th century.] (Min.)

Defn: Native iron protosulphide, FeS. It is known only in meteoric irons, and is usually in imbedded nodular masses of a bronze color.

TROILUS
Tro"i*lus, n.; pl. L. Troili, E. Troiluses. Etym: [NL., fr. L.
Troilus, Gr. (Zoöl.)

Defn: A large, handsome American butterfly (Euphoeades, or Papilio, troilus). It is black, with yellow marginal spots on the front wings, and blue spots on the rear wings.

TROILUS BUTTERFLY
Tro"i*lus butterfly.