Guisarme. An ancient weapon of the nature of a pike or bill. (See Meyrick.)

Guitar (Spanish guitarra). A stringed musical instrument, played as a harp with the fingers.

Gules, Her. (Fr. gueules). Red, represented in engraving by perpendicular lines.

Gum-arabic dissolved in water constitutes the well-known vehicle for water-colour painting—gum-water.

Gunter’s Line. A line of logarithms graduated on a ruler, for practical use in the application of logarithms to the ordinary calculations of an architect, builder, &c. Other similar instruments invented by the great mathematician (+ 1626) are Gunter’s Quadrant and Gunter’s Scale, used by seamen and for astronomical calculations.

Gurgustium, R. A cave, hovel, or any dark and wretched abode.

Gussets were small pieces of chain mail at the openings of the joints beneath the arms.

Guttæ, Arch. (drops). Small conical-shaped ornaments, used in the Doric entablature immediately under the mutule beneath the triglyph. (See Fig. [265].)

Guttée, Her. (See Gouttée.) Sprinkled over.

Gutturnium, R. (guttur, the throat). A water-jug or ewer; it was a vessel of very elegant form, and was used chiefly by slaves for pouring water over the hands of the guests before and after a meal. (See Ablutions.)