transtainer
A mobile gantry crane used for stacking intermodal containers within the stacking areas of a container terminal.
The transtainers (system A) are all assumed to have a 62ft span and to straddle a five wide stack.
Where it comes from
Blend of trans- + container; coined by the Pacific Coast Engineering Company (now Paceco) as a brand name.
Adapted from the Wiktionary entry transtainer (CC BY-SA 4.0).