Basal or basilar is a term meaning base, bottom, or minimum. Science Basal (anatomy), an anatomical term of location for features associated with the base of an organism or structure Basal (medicine), a minimal level that is necessary for health or life, such as a minimum insulin dose Basal (phylogenetics), a sister group relationship in a phylogenetic tree Places Basal, Hungary, a village in Hungary Basal, Pakistan, a village in the Attock District Other Basal plate (disambiguation) Basal sliding, the act of a glacier sliding over the bed before it due to meltwater increasing the water pressure underneath the glacier causing it to be lifted from its bed Basal conglomerate, see conglomerate (geology) See also Basel (disambiguation) Basil (disambiguation)