Definition of "quadriliteral" []

• Used to describe word roots in Semitic languages which consist of four letters (adjective)
• A word root in a Semitic language which consists of four letters (noun)

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• "All other feet, primary or secondary, consist necessarily of seven letters, as they contain a triliteral Watad (see supra i. 2) with either two biliteral Sabab khafíf (i. 1) or a quadriliteral Fásilah"
• "True it is that many root forms exhibit only two consonants (e.g. 07176a09. gif, sab), but these are considered as contractions of original triliteral stems (e.g. 07176a10. gif, savav), and the few quadriliteral roots that occur are almost entirely of foreign origin, or can be otherwise accounted for."
• "It is technically called "Haukalah" and "Haulakah," words in the third conjugation of increased triliterals, corresponding with the quadriliteral radicals and possessing the peculiar power of Kasr = abbreviation."