Word forms: plural omelettesregional note: in AM, use omelet
countable noun
An omelette is a type of food made by beating eggs and cooking them in a flat pan.
...a cheese omelette.
omelette in British English
or especially US omelet (ˈɒmlɪt)
noun
a savoury or sweet dish of beaten eggs cooked in fat
Word origin
C17: from French omelette, changed from alumette, from alumelle sword blade, changed by mistaken division from la lemelle, from Latin (see lamella); apparently from the flat shape of the omelette