I. -p(ə)rəl adjective
Etymology: Late Latin vesperalis, from Latin vesper evening + -alis -al
: vesper
a vesperal breeze
especially : crepuscular 2
vesperal insects
II. noun
also ves·per·a·le ˌvespəˈra(ˌ)lē, -rāl-, -räl-
( -s )
Etymology: French vespéral, from Late Latin vesperalis, adjective
1. : a book containing the office and music for vespers
2. : a generally colored altar cover that is used to protect the white altar cloths between ceremonies