חמט Chomet
Every verse in which this word stands — 1 place, in canonical order, first appearance to last. These are the places the lexicon carries under this word's own entry, counting every form the text writes it in, which is the number on the list.
Once, in Vayikra 11:30. The snail of Rashi's reading, the sand-lizard or skink of others; the identification is discussed.
וְהָאֲנָקָה וְהַכֹּחַ וְהַלְּטָאָה וְהַחֹמֶט וְהַתִּנְשָֽׁמֶת
and the gecko, and the land-crocodile, and the lizard, and the sand-lizard, and the chameleon.
Quick answers
What is the Hebrew word for chomet?
Chomet in Hebrew is חמט, with a gematria of 57 in the standard method.
How many times is the chomet mentioned in the Tanakh?
The word stands 1 time in the Tanakh, first at Leviticus 11:30.
A spelling is not a word. The corpus never writes חמט bare — every one of its places carries a particle or a suffix on the front or the back — so the spelling above is the word's own headword, and the verses listed here are the only door to it.