| Main Entry: | undersurface |
| Part of Speech: | noun |
| Definition: | bottom |
Synonyms: |
base, basement, basis, bed, bedrock, belly, deepest part, depths, floor, foot, footing, ground, groundwork, lowest part, nadir, nether portion, pedestal, pediment, rest, seat, sole, substratum, substructure, support, terra firma, underbelly, underneath, underside |
| Main Entry: | underside |
| Part of Speech: | noun |
| Definition: | lower side |
Synonyms: |
base, belly, bottom, underneath, undersurface |
Antonyms: |
ceiling, top, topside |