Tau
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) The common American toadfish; - so called from a marking resembling the Greek letter tau (/).
(2): ( n.) The nineteenth letter (/, /) of the Greek alphabet, equivalent to English t.
King James Dictionary [2]
TAU, n. The toad fish of Carolina, a species of Gadus.(G.tau.)
1. A species of beetle also, a species of moth, (Phalena ) also, a kind of fly, (Musca.)
Holman Bible Dictionary [3]
Psalm 119:169-176