wheat

wheat /ˈwiːt/ noun
wheat
/ˈwiːt/
noun
Britannica Dictionary definition of WHEAT
[noncount]
1 
: a kind of grain that is used to make flour for breads, cookies, etc. — see also shredded wheat, whole wheat
2 
US : bread that is made from wheat flour

separate the wheat from the chaff

— see 2separate