siliqua
/ˈsɪlɪkwə/
noun
- A long, narrow seed pod that splits open when ripe, typical of plants in the mustard family.
- The mustard plant produces a siliqua that contains many small seeds.
- Each siliqua of the radish plant bursts open to scatter its seeds.
- We examined a siliqua under the microscope to see how the seeds are arranged.