Dictionary entry

Aggrade

Webster's Dictionary 1913

Ag‐grade″ (?), v. t. [imp. & p. p.Aggraded; p. pr. & vb. n.Aggrading.] (Phys. Geog.) To bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment.