noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A machine or device that fills something in advance.
2. 2
   In text processing systems, a pattern of text that is expected to occur before the portion of interest. uncountable

Etymology

Etymology 1

From prefill + -er.

Etymology 2

From pre- + filler.

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