The Collaborative International Dictionary
Basisolute
Basisolute \Ba*sis"o*lute\ (b[.a]*s[i^]s"[-o]*l[=u]t), a. [Basi- + solute, a.] (Bot.) Prolonged at the base, as certain leaves.
Wiktionary
basisolute
a. (context botany English) Prolonged at the base, like certain leaf.