LAPILLUS
Meaning of LAPILLUS in English
/leuh pil"euhs/ , n. , pl. lapilli /-pil"uy/ .
a small stony particle ejected from a volcano.
[ 1740-50; lapis stone ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012