a. [ad. L. āreālis, f. ārea: see AREA and -AL 1.] Of, pertaining to, or of the nature of, an area.

1

1676.  Collins, in Rigaud, Corr. Sci. Men, II. 402. His calculus of the areal ordinate.

2

1881.  Hist. Coll. Stafford., II. 89. The areal Hundred.

3