/ Dictionary / Index T train oil: Meaning and Definition of Find definitions for: train' oil" Pronunciation: [key] oil obtained from the blubber of whales or from seals, walruses, or other marine animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trainmaster trainshed Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language