Definition of supering in US English:

supering

noun

  • The action or practice of fitting a ‘super’ to a beehive.

noun

  • The action or practice of performing as a ‘super’ in the theatre, a film, or (now more usually) an opera or ballet.

Origin

Mid 19th century. From super + -ing<br>mid 19th century; earliest use found in The New Sporting Magazine. From super + -ing.