Defn: The American scaup duck. [Local, U. S.]

TROOPIAL
Troop"i*al, n. (Zoöl.)

Defn: Same as Troupial.

TROOPMEAL
Troop"meal`, adv. Etym: [Troop + -meal as in piecemeal.]

Defn: By troops; in crowds. [Obs.]
So, troopmeal, Troy pursued a while, laying on with swords and darts.
Chapman.

TROOPSHIP
Troop"ship`, n.

Defn: A vessel built or fitted for the conveyance of troops; a transport. [Eng.]

TROOSTITE
Troost"ite, n. Etym: [So named after Dr. Gerard Troost, of Nashville,
Tenn.] (Min.)

Defn: Willemite.

TROPAEOLIN
Tro*pæ"o*lin, n. (Chem.)