in large numbers / a large amount, en masse, in droves, in bulk,
“Turistoj amase alvenis al la banloko.” — Tourists came to the spa in droves.
“Nimfeoj flosas amase sur la lageto.” — Masses of waterlilies float on the pond.
“L. L. Zamenhof (translator), Hebrew Scriptures, II. Samuel 15.12,
Tiam la konspiro plifortiĝis, kaj la popolo ĉiam pli kaj pli amase iris al Abŝalom.
And so the conspiracy gained strength, and Absalom”
in a heap, in a pile
“Je la fino de la kuro, li amase terenfalis.” — At the end of the race he fell in a heap on the ground.
“Sergio Pokrovskij (translator), La Mastro kaj Margarita (The Master and Margarita) by Mikhail Bulgakov, Part 1, Chapter 6,” — The towels which had bound Ivan … lay in a heap on the same sofa. (Mirra Ginsburg translation, Grove, 1995)