1. (noun) the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae

• flowering glume

1. (noun) a subsidiary proposition that is assumed to be true in order to prove another proposition

• proposition

2. (noun) the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae

• glume

3. (noun) the heading that indicates the subject of an annotation or a literary composition or a dictionary entry

• head
• header
• heading