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del•ta

Pronunciation: (del'tu), [key]
—n.
1. the fourth letter of the Greek alphabet (Δ, δ).
2. the consonant sound represented by this letter.
3. the fourth in a series of items.
4. anything triangular, like the Greek capital delta (Δ).
5. Math.an incremental change in a variable, as Δ or δ.
6. a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular: the Nile delta.
7. (usually cap.) a word used in communications to represent the letter D.
8. (cap.) Astron.a star that is usually the fourth brightest of a constellation: The fourth brightest star in the Southern Cross is Delta Crucis.

Del•ta

Pronunciation: (del'tu), [key]
—n. Mil.
the NATO name for a class of Soviet nuclear-powered ballistic missile submarine armed with 16 multi-warhead missiles.

del Sarto

delta connection