| train oil | |
| —n | |
| oil obtained from the blubber of various marine animals, esp the whale | |
| [C16: from earlier train or trane, from Middle Low German trān or Middle Dutch traen tear, exudation] | |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |