Dutch

Noun

onderbouw m ‎(plural onderbouwen, diminutive onderbouwtje n)

1. the foundational part of a construction (e.g. a building) which serves to support that which has been built upon it; as in infrastructure
2. (education) the lower-level classes of a school, e.g. the 1st and 2nd grades of grammar school in the Netherlands, or the first few years of secondary school in both the Netherlands and Flanders

Antonyms

• bovenbouw

Verb

onderbouw

1. first-person singular present indicative of onderbouwen
2. imperative of onderbouwen