Fetching details from the dictionary...

to rub; to chafe; to strike (match); to file; to frost (glass)
to squander (one's money); to run through (one's fortune); to lose money (e.g. by gambling)
ゴマを擂って料理に入れる。
Grind sesame for cooking.
擂り鉢でゴマを擂ります。
I grind sesame in a mortar.
味噌を擂って汁を作る。
Grind miso to make soup.