1) Arabic poetry form 
Basīṭ (بسيط), or al-basīṭ (البسيط), is a compound meter used in classical Arabic poetry. The word literally means `extender` in Arabic. The metrical form is as follows (the letter L representing a long syllable and S representing a short syllable): It is often used alongside another meter called ṭawīl (طويل). The term is a.....