noun
two plates; two helpings; two servings
Counts plates of food or servings; used in contexts like ordering or describing how much one ate.
彼はカレーを二皿も食べた。
He ate as many as two plates of curry.
すみません、ラーメンを二皿ください。
Excuse me, two bowls of ramen please.
Means 'one plate/serving', while 二皿 means 'two plates/servings'.
Means 'three plates/servings', following the same pattern.
Compound of 二 (ふた, 'two') and 皿 (さら, 'plate/dish').