Delta


Delta
Delta Del"ta, n.; pl. {Deltas}. [Gr. de`lta, the name of the fourth letter of the Greek alphabet (the capital form of which is [Delta], Eng. D), from the Ph[oe]nician name of the corresponding letter. The Greeks called the alluvial deposit at the mouth of the Nile, from its shape, the Delta of the Nile.] 1. The fourth letter of the Greek alphabet ([Delta] [delta]), corresponding to {D}. Hence, an object having the shape of the capital [Delta]. [Webster 1913 Suppl.]

2. A tract of land shaped like the letter delta ([Delta]), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile, or of the Mississippi. [1913 Webster]

3. (Elec.) The closed figure produced by connecting three coils or circuits successively, end for end, esp. in a three-phase system; -- often used attributively, as delta winding, delta connection (which see), etc. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.