Meaning of LA in English

LA

interj look; see; behold;

— sometimes followed by you.

2. la ·noun the tone a;

— so called among the french and italians.

3. la ·interj an exclamation of surprise;

— commonly followed by me; as, la me!.

4. la ·noun a syllable applied to the sixth tone of the scale in music in solmization.

Webster English vocab.      Английский словарь Webster.