A / aggĕro
verb transitive

aggĕro

2nd PP aggĕrāre · 3rd PP aggĕrāvi · 4th PP ātum · conj. 1st
(), , agger.
to form an; to heap up like an; to heap up
Lit., to form an agger, or to heap up like an agger; hence, in gen., to heap up, pile up (cf. cumulare; only poet. and in post-Aug. prose): aggerat cadavera, Verg. G. 3, 556: Laurentis praemia pugnae aggerat, id. A. 11, 79: ossa disjecta vel aggerata, Tac. A. 1, 61; 1, 63.—
by extension
To heap up; to augment; increase
To heap up, i. e. to augment, increase: incenditque animum dictis atque aggerat iras, Verg. A. 4, 197, and 11, 342: omne promissum, Stat. Th. 2, 198.—
To fill; fill up
To fill, fill up: spatium, Curt. 4, 2.—
to heap up; around a tree
Aggerare arborem, in gardening, to heap up earth around a tree in order to protect the roots, Col. 11, 2, 46.