ser

(historical) An old Indian unit of weight, equal to 80 tolas, or one fortieth of a maund.

Abbreviation of serial. [A literary or dramatic work, such as a radio or television programme, published in installments, often numbered and without a specified end.]

(archaic, now chiefly fantasy) Alternative spelling of sir. [A man of a higher rank or position.]

Initialism of state emergency relief.