Adjective meaning curved inward, like the inside of a circle or sphere
Archive - Show #5272, aired 2007-07-10 [PAR] Adjective meaning curved inward, like the inside of a circle or sphere ... Maker of 
racing saddles for these, like the Diplodocus & the... [DOC] [TLE] bowl-shaped - Memidex dictionary/thesaurus [PAR] "bowl-shaped" definition: having a concave shape with an open top like a ... 
concave [entry 1, adjective] | hollow [synonym, sense-specific] | dented ... having 
an outline or surface that curves inwards like the interior of a circle or sphere (16 
of... [DOC] [TLE] boat-shaped - Memidex dictionary/thesaurus [PAR] "boat-shaped" definition: having a concave shape like a boat.