(athletics) A long-distance running race over 10 000 metres.

(athletics) A sprint race over 100 metres.

Abbreviation of thousandth.

(law) Abbreviation of United States Court of Appeals for the Tenth Circuit.

(dated, informal, military, World War II) The German Messerschmitt 109 fighter aircraft.

plural of 1099

(US, taxation) The main form for US individual income tax filing.

(US, taxation) A form reporting one's nonemployment income from a given source for a year.

plural of 1040

plural of 109