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he root of the upper teeth; to laugh with restraint, or without much noise; to giggle. A group of tittering pages ran before. Longfellow.

The Indians of a seafaring group of tribes of southern Alaska comprising the Koluschan stock. Previous to deterioration from contact with the whites they were the foremost traders of the northwest. They built substantial houses of cedar adorned with totem poles, and were expert stone carvers and copper workers. Slaver…

An extensive artificial group of gastropods comprising all those which have a spiral shell and the foot attached to the base of the neck.

A group of passerine birds having the syrinx at the lower end of the trachea.

To tread or move crosswise, as a horse that throws his croup to one side and his head to the other.

-- Tree lark (Zoöl.), the tree pipit. [Prov. Eng.] -- Tree lizard (Zoöl.), any one of a group of Old World arboreal lizards (Dendrosauria) comprising the chameleons. -- Tree lobster. (Zoöl.) Same as Tree crab, above. -- Tree louse (Zoöl.), any aphid; a plant louse. -- Tree moss. (Bot.) (a) Any moss or lichen growin…

is three. Triads of the Welsh bards, poetical histories, in which the facts recorded are grouped by threes, three things or circumstances of a kind being mentioned together. -- Hindoo triad. See Trimurti.

An amide containing three amido groups.

An amine containing three amido groups.

ing a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.

An extensive group of wormlike animals characterized by being more or less covered with cilia.

prefix or combining form (also used adjectively) indicating the presence of three methyl groups.

ristic herringlike odor. It is regarded as a substituted ammonia containing three methyl groups.

Gun cotton; -- so called because regarded as containing three nitro groups.

ales which are used in the manufacture of fancy work. Called also, locally, black perch, grouper, and flasher.

A group of three notes sung or played in the tree of two.

A company of stageplayers; a troupe. W. Coxe.

Any troupial.

Same as Troupial.

presentation of such a memorial, as on a medal; esp. (Arch.), an ornament representing a group of arms and military weapons, offensive and defensive.