pilaster

noun — 2 senses

pilaster

noun

UK /pɪˈlastə/ · US /pɪˈlæstɚ/

Etymology From Middle French pilastre, from Italian pilastro. Equivalent to pillar + -aster.

1

A rectangular column that projects partially from the wall to which it is attached; it gives the appearance of a support, but is only for decoration.

Decorative architecture

2

A column or short wing wall attached to the foundation wall which provides lateral support, or to support a vertical load that does not fall on the foundation wall.

Structural architecture

Derived terms
interpilaster, pilastered, pilasterlike
Related terms
buttress

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