trap door en · NOUN
Meanings
-
(alt-of, alternative) Alternative form of trapdoor.
alt of trapdoor
Trap doors are provided at various places in the floor to facilitate inspection and maintenance of the diesel equipment.
1960 September, “Inter-city diesel units for the Hull-Liverpool service of the N.E.R.”, in Trains Illustrated, pages 559–560:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| trap doors | Number=Plur | lexicographic |