Anagrams of EQUESTRA_

• colorless glass made of almost pure silica

• a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

• any artifact that makes a squeaking sound when used

• something achieved (or escaped) by a narrow margin

• a Christian sect founded by George Fox about 1660; commonly called Quakers

• a short high-pitched noise

• something achieved (or escaped) by a narrow margin

• make a high-pitched, screeching noise

• a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)

• one who quakes and trembles with (or as with) fear

• shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity

• shake with fast, tremulous movements

• shake with seismic vibrations

• (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3

• fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet

• large and often sumptuous tent

• permanent canopy over an entrance of a hotel etc.

• a floor made of parquetry

• seating on the main floor between the orchestra and the parquet circle