Underportion

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The lower portion of something; the underneath.

    "New relay rooms have been provided at Maidenhead West, Twyford and Reading Main Line East signalboxes; in the latter case an underportion of the building was reconstructed to provide additional rooms for the relay equipment and a diesel standby generator."

Example

More examples

"New relay rooms have been provided at Maidenhead West, Twyford and Reading Main Line East signalboxes; in the latter case an underportion of the building was reconstructed to provide additional rooms for the relay equipment and a diesel standby generator."

Etymology

From under- + portion.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.