— obvolution , n. — obvolutive , adj.
/ob"veuh looht'/ , adj.
1. rolled or turned in.
2. Bot. noting or pertaining to a vernation in which two leaves are folded together in the bud so that one half of each is exterior and the other interior.
[ 1750-60; obvolutus (ptp. of obvolvere to cover by wrapping up), equiv. to ob- OB- + volu-, base of volvere to turn, roll + -tus ptp. suffix; see VOLUTE ]