tri-, tre-

1. Relating to or completing a period of 300 years.
2. A space of 300 hundred years.
3. A reference to 300 years or a period of 300 years.
4. A tercentenary event or celebration.

Fetus with three heads.

1. Three-headed; specifically, of a muscle having three heads or points of origin.
2. A triceps muscle; specifically, that of the thigh and of the upper arm.

A genus of gigantic predentate dinosaurs of the family Ceratopsidae, having a strong nasal horn, besides two large pointed horns above the eyes; found in the Laramie beds of the United States.

A candlestick with three lights, symbolizing the Trinity and used by Greek bishops blessing people.

Having or exhibiting three colors.

Division into three parts, especially (in theology) the division of human nature into body (soma), soul (psyche), and spirit (pneuma).

The property of some crystals of exhibiting different colors in three different directions when viewed by transmitted light.

Characterized by three colors, especially having the three fundamental color sensation of red, green, and violet of the normal eye.

The ability to see three primary colors.

In ancient Rome, a dining room with three couches, one at each of three sides of a rectangular table, the fourth side left open for access by servants.

The red, white, and blue flag of France, representing the white of the Bourbons, and the blue and red of the city of Paris; adopted by Louis XVI at the Hotel de Ville, July 17, 1789, as the national symbol of the country.

1. Having three horns or horn-like parts.
2. A hat with three points formed by turning the brim upward to the crown on three sides.

Three-ribbed.

Having three waves or elevations to one beat of the pulse.