6. (Geol.)
Defn: An isolated or circumscribed formation, particularly where the strata dip inward, on all sides, toward a center; — especially applied to the coal formations, called coal basins or coal fields.
BASINED
Ba"sined, a.
Defn: Inclosed in a basin. "Basined rivers." Young.
BASINET
Bas"i*net, n.
Defn: Same as Bascinet.
BASIOCCIPITAL
Ba`si*oc*cip"i*tal, a. Etym: [Basi- + occipital.] (Anat.)
Defn: Of or pertaining to the bone in the base of the cranium, frequently forming a part of the occipital in the adult, but usually distinct in the young. — n.
Defn: The basioccipital bone.
BASION
Ba"si*on, n. Etym: [Gr. a base.] (Anat.)