- a unit of weight in India, varying in value but usually 1/40 of a maund: the government ser is divided into 80 tolas of 180 English grains and equals nearly 2 pounds 1 ounce avoirdupois (950 grams).
- variant of sero- before a vowel: serous.
- serial.
- series.
- sermon.
- a unit of weight used in India, usually taken as one fortieth of a maund