subcasing

[ suhb-key-sing, suhb-key- ]
/ sʌbˈkeɪ sɪŋ, ˈsʌbˌkeɪ- /

noun Carpentry.

a rough casing for a doorway or window.

Origin of subcasing

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019