Definition of post-boarding in US English:

post-boarding

noun

Textiles
  • The action of shaping a garment by heating it on a form after it has been dyed.

Origin

1950s; earliest use found in Dyeing of Nylon Textiles. From post- + board + -ing.

Pronunciation

post-boarding

/ˌpəʊs(t)ˈbɔːdɪŋ/