noun
definition
Base, bottom, minimum
definition
Any basal structure or part
adjective
definition
Basic, elementary; relating to, or forming, the base, or point of origin.
example
A basal reader is a kind of book that is used to teach reading.
definition
Associated with the base of an organism or structure.
example
In the spring, basal leaves emerge from a stout taproot.
definition
Of a minimal level that is necessary for maintaining the health or life of an organism.
example
a basal diet
definition
In a phylogenetic tree, being a group, or member of a group, which diverged earlier. The earliest clade to branch in a larger clade.
example
A magnolia is a basal angiosperm.