A railfan, rail buff or train buff (American English), railway enthusiast or railway buff (Australian / British English), or trainspotter or anorak (British English), is a person interested in a recreational capacity in rail transport. Railfans of many ages can be found worldwide.
In the World Reference Base for Soil Resources and similar soil classification systems, a sapric is a subtype of a histosol where virtually all of the organic material has undergone sufficient decomposition to prevent the identification of plant parts.[1][2] Muck is a sapric soil that is naturally waterlogged or is artificially drained.
Definition of 'muck in'. muck in. If someone mucks in, they join in with an activity or help other people with a job and do not consider themselves to be too important to do it. Course residents are expected to muck in and be prepared to share rooms. She mucked in with the chores and did her own washing and ironing.