Love, they say, is a many-splendored thing. Love is patient, love is kind. Love means never having to say you're sorry, love is as much a light as a flame. There is no shortage of definitions for love, but The Bitterness of the Meringue, the new show at La MaMa Experimental Theatre Club, proposes a few more. Love is "a tortuous word." It is a "round business," it is where "everybody loses out." It is "vertigo at the abyss." Love is also, if I understood the play right, "salt that seems sweet, sweet that seems salt