only 1 use
- His firm lips met like the lips of a vice; the Delta of his forehead's veins swelled like overladen brooks; in his very sleep, his ringing cry ran through the vaulted hull, "Stern all! the White Whale spouts thick blood!"Chapters 109-111 — Ahab and Starbuck in the Cabin; Queequeg in his Coffin; The Pacific (99% in)
There are no more uses of "delta" in Moby Dick.
Typical Usage
(best examples)