/ Dictionary / Index L lobster thermidor: Meaning and Definition of Find definitions for: lob'ster ther'midor Pronunciation: [key] a dish of cooked lobster meat placed back in the shell with a cream sauce, sprinkled with grated cheese and melted butter, and browned in the oven. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lobster-tail helmet lobstick Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language