Meanings

first string (of a shamisen, etc.)

unified science

joint trial

joint action

Act of Uniformity

North Pacific squirrelfish (Sargocentron spinosissimum)

one of one's hobbies

one season

October Revolution (Russia, 1917)

motorcycle, less than or equal to 50cc

dissociative identity disorder

general linguistics

the end of the line

first (in a series)

one tuft (of hair, threads, etc.)

critical hit (esp. in RPGs)

(French) First Empire

monoculturalism

wholesale lease (on a building)

General Agreement on Tariffs and Trade (abolished in 1995)