secondman means A driver's assistant on a diesel or electric locomotive. Lexicurio rates it Rare gem — a strength score of 81 out of 100.
noun
- A driver's assistant on a diesel or electric locomotive.“The secondman looks back from 'Slim Jim' Class 33 No. 33211 as it trundles through Gravesend station with a permanent way train in 1977. The first wagon's sides are literally bulging at the seams with ballast spoil.”