Evidently a nickname, it may have been inspired by the habit that some ground-nesting birds have of distracting attention from their nesting site by ‘trailing’ one wing as they move away from it.
A word found principally in Scotland and the north-east where its recorded history as a mining term goes back to the early sixteenth century (OED). It could refer to a sled or wheeled vehicle which transported corves.
This word derives ultimately from Greek but it was brought here by the Normans. Originally, it was the name given to a salve which was used as an antidote to poison and apparently made up of spices and drugs, in which sense it is on record in England from 1340 (OED).
A 'trip' was a small flock of animals, especially goats and sheep, and Bolton Priory records contain several references to the animals and the related occupation.
Lead ore has been measured by the 'dish' since the late twelfth century at least (JHR60) but in Nidderdale a smelting agreement indicates that a ‘trough’ or ‘trow’ may have served a similar purpose.