Adelphi. The collective name for several streets and a noble terrace on the south side of the Strand, built by the Brothers Adam. Adelphi is Greek for “brothers.”

Adieu. Originally a popular commendation to the care of God--A Dieu!

Adonis. The name given to a beautiful youth, and also to the anemone, after Adonis, who was beloved by Venus. The flower is said to have sprung from his blood when he was gored to death by a wild boar in the chase.

Admirable Crichton. The designation of one accomplished in all the arts. “Admirable” Crichton was a noted Scottish prodigy of the sixteenth century.

Admiral. From the Arabic emir-el-bahr, Lord of the Sea.

Adrianople. The city founded by the Emperor Hadrian.

Adriatic Sea. After the Emperor Hadrian.

Adullamites. Those who in 1866 seceded from the Reform Party. John Bright said they had retired to the Cave of Adullam, there to gather around them all the discontented. The allusion was to David’s flight from Saul (1. Sam. xxii. 1, 2).

Ad valorem. A Customs term for duties levied according to the stated value of goods imported. The duty on various qualities of the same goods may therefore differ.

Ædiles. Civil officers of Rome who had the care of the streets and ædes, or public buildings.