adj, name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of International Securities Identification Number: a 12-character identification number that uniquely identifies a security. abbreviation, alt-of, countable, initialism, uncountable

Adjective

1. 1
   Abbreviation of intrasinal (pertaining to the periorbital and nasal sinuses). abbreviation, alt-of, not-comparable

Proper Noun

1. 1
   The ancient city in Mesopotamia. historical

Etymology

Derived from Arabic إيشان بحريات (Ishan al-Bahriyat), derived from Sumerian 𒉌𒋛𒅔𒆠 (I₃-si-inᵏⁱ).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.