undergrade

adj, verb — 2 senses

undergrade

adj

Etymology From under- + grade.

1

Having the truss below the roadway, as in a deck bridge.

Bridge-building

Coordinate terms
at-grade, overgrade

undergrade

verb

Etymology From under- + grade.

1

To award too low a grade to a student or a piece of work.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.