(verb) : ăcervo, āvi, ātum, 1, acervus
* To form a heap, to heap or pile up, to amass (rare, not in Cic.; per. not before the Aug. period).
* Prop.: jam pigritiā singulos sepeliendi promiscue acervatos cumulos hominum urebant,Liv. 5, 48, 3: aggerem,Sen. Here. Fur. 1216: panicum praedensis acervatur granis,Plin. 18, 7, 10: acervantur muricum modo, they gather or collect together, id. 32, 9, 31.
* Trop., to accumulate, to multiply: leges,Liv. 3, 34; Quint. 9, 3, 47; Plin. 26, 4, 10, § 21; 36, 15, 24, § 101 al.

s. TLL