Entry 3 senses · 2 variants Webster, 1913 La /(lä)/ · IPA /ˌɛl ˈeɪ/ n. interj. 01 n. A syllable applied to the sixth tone of the scale in music in solmization. 1. A syllable applied to the sixth tone of the scale in music in solmization.(Mus.) 02 interj. Look; see; behold; -- sometimes followed by you. 1. Look; see; behold; -- sometimes followed by you.[Obs.] 2. An exclamation of surprise; -- commonly followed by me; as, La me![Low]