trainspotter /ˈtreɪnˌspɑːtɚ/ noun plural trainspotters
plural trainspotters
Learner's definition of TRAINSPOTTER
[count] British
: a person who is interested in trains and who writes down the numbers of passing trains as a hobby（作为业余爱好）记录过往火车号码的人
— trainspotting
/ˈtreɪnˌspɑːtɪŋ/ noun [noncount]