(accounting) A method of inventory accounting that values items withdrawn from inventory at the cost of the oldest item assumed to remain in inventory.

(idiomatic) People will be dealt with in the order they arrive.

Describing a process of dealing with people using the principle "first come, first served".

(operations) A service policy in which the first to arrive for service receives the service first.

Alternative spelling of first-come-first-served

(historical, politics) Those countries aligned with the West during the Cold War, particularly in contrast to those aligned with the East (Second World).

(cricket) The session of a day's play between start of play and lunch.

(grammar) Forms of pronouns or verbs used for the speaker or writer of the sentence in which they occur.

(music) The lead or primary violin role in an orchestra or other ensemble, or in a musical composition, that typically contains the melody and is often more technically demanding than the second violin role. The first violin role is played by a first violinist, typically the best violinist in the orchestra.

A violinist who is assigned to play melody (usually more technically difficult music).