vesperal adjective & noun. ['vɛsp(ǝ)r(ǝ)l] E17.
[French vespéral, from Latin vespera (see VESPER) + -al -AL¹.]
A. adjective. Of or pertaining to evening, vespertine. Also, of or pertaining to vespers. E17.
b. noun. Ecclesiastical. An office-book containing the psalms, canticles, anthems, etc., with their musical settings, used at vespers. M19.

[TahlilGaran] English Dictionary ▲