SIZ definitions

Siz

1) Seasonal ice zone
Found on https://www.crosswordclues.com/clue/siz

---

SIZ

abbreviation: Security Indentification Zone
Found on http://www.encyclo.co.uk/local/20021

---

SIZ

acronym: Seasonal Ice Zone
Found on https://www.encyclo.co.uk/local/20002

---