pasteboard

noun

1. (uncountable, usually)Card stock.

   “All visible objects, man, are but as pasteboard masks.”

   “He handed Larry two slips of pasteboard, theater tickets, as was evident at first glance.”

   “To many, a railway ticket is but an uninteresting bit of pasteboard, which must be purchased before a journey is undertaken, and once obtained, may be stowed away in a convenient pocket and forgotten, until a watchful railway official requests its production.”

2. (countable)A widget allowing multiple users to paste and share text or other items.
3. (countable, obsolete, slang, uncountable)A person's visiting card.

   ““We shall only have to leave our pasteboards, Arthur.” He used the word ‘pasteboards,’ having heard it from some of the ingenuous youth of the nobility about town, and as a modern phrase suited to Pen’s tender years.”

   “[…] he no sooner learnt that the British officer in command had sent in his pasteboard, than he instantly returned the visit […]”

   “Peter called on the Pierces, only to find them out, and as no notice was taken of his pasteboard, he drew his own inference, and did not repeat the visit.”

adj

1. (figuratively, not-comparable)unsubstantial; flimsy

   “A poor, pasteboard story. The conventional, unattractive heroine is recovering from an illness in Rome. She is discontented and sorry for herself because her planned career as a sports mistress has now to be abandoned.”