What is the meaning of Tav?

Alternative form of taw (Semitic letter)

past tense of tie

taw (twenty-second letter of the Hebrew and Phoenician scripts and the Northwest Semitic abjad)

sunshine, sun, sunlight,

rib

side, horizontal

to herd animals, drive animals with a stick

to lay down across

to prune, trim

a period of time

Source: wiktionary.org