ob ‧ long /ˈɒblɒŋ $ ˈɑːblɒːŋ/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Latin ; Origin: oblongus , from ob- 'toward' + longus 'long' ]
1 . British English an oblong shape has four straight sides at 90 degrees to each other, two of which are longer than the other two SYN rectangular :
an oblong table
2 . American English an oblong shape is much longer than it is wide:
an oblong leaf
—oblong noun [countable]