A cup-shaped organ, structure, or receptacle in a plant or animal.
- ‘Lyginopterids bore cupules, which can be described as tulip shaped structures.’
- ‘The ovule is surrounded by integument tissues which produce the seed coat, and in the earliest seed plants another layer called the cupule enclosed the entire ovule/seed.’
- ‘Thus, the cupule is a simple uniaxial structure.’
- ‘Particle capture was by cilia located in the cupules.’
- ‘The internodes have invaginations that are termed cupules.’
Late Middle English: from late Latin cupula (see cupola).
We take a look at several popular, though confusing, punctuation marks.