noun

• (anatomy, medicine) Initialism of left atrium.
• (inorganic chemistry) Initialism of lead arsenate.
• (pharmacology) Initialism of local anesthetic.

name

• (humorous) Abbreviation of Lower Arkansas, also in reference to the state of Louisiana.

noun

• (music) A syllable used in solfège to represent the sixth note of a major scale.
  "And now Mrs Waters (for we must confess she was in the same bed), being, I suppose, awakened from her sleep, and seeing two men fighting in her bedchamber, began to scream in the most violent manner, crying out murder! robbery! and more frequently rape! which last, some, perhaps, may wonder she should mention, who do not consider that these words of exclamation are used by ladies in a fright, as fa, la, la, ra, da, &c., are in music, only as the vehicles of sound, and without any fixed ideas."

intj

• (obsolete) Used to introduce a statement with emphatic or intensive effect.
• (archaic) Expressing surprise, anger. etc.
  "La, ma'am, what doth your la'ship think? the girl that your la'ship saw at church on Sunday, whom you thought so handsome; though you would not have thought her so handsome neither, if you had seen her nearer, but to be sure she hath been carried before the justice for being big with child."