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

The fiddle part generally carrying the melody. / The player of the first fiddle part. / One who takes a leading part in anything.

plural of first woman

prima donna / The biblical Eve

(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.

(cricket) The slip fielding position closest to the wicket keeper

Belonging to the best or top group in a system of classification. / Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc.

(A status, section, etc which is of) premier rank. / (Ireland) the third year of primary school, following after the junior and senior infant levels.

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

Alternative spelling of first-rate