groundsill

n. [建]基础横木,地基, 地板,卧木

发音

/ˈɡɹaʊndsəl/

词形变化

groundsills 复数 groundsills

别名

grunsel groundsel groundsell

释义与例句

n.
  1. 1.

    A timber beam used as the foundation for a building.

    罕用
  2. 2.

    The lowest beam of a door-frame; the threshold.

词源

From Middle English groundselle, ground sille, equivalent to ground + sill.

来源：wiktionary