shoebeam
nounUK /ˈʃuː.ɡɪə(ɹ)/
Etymology From shoe + beam.
1
Rail transport, Railways, Transport A beam of non-conductive material (usually fibreglass or wood), attached to a train bogey that supports the pickup shoe.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.