Meanings
nounwaffle slab (plural waffle slabs)
plural waffle slabs
- A concrete slab with concrete ribs going in two directions on its underside.
Synonyms: two-way joist slab
Synonyms & antonyms
nounA concrete slab with concrete ribs going in two directions on its underside.
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Origin
The grid pattern on its underside resembles a waffle.
Full word history & related roots →Cite this entry
APA
waffle slab. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/waffle%20slab
MLA
“waffle slab.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/waffle%20slab. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “waffle slab,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/waffle%20slab.
Source: waffle slab on Wiktionary, CC BY-SA 4.0.