Reference meaning
groundsill
Last updated
A timber beam used as the foundation for a building.
Other meanings
2. noun
The lowest beam of a door-frame; the threshold.
Source and scope
This definition is reproduced from English Wiktionary, sense en-groundsill-en-noun-jzr9CddK, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.