| Word | Definitions | Synonyms |
|---|---|---|
| ovule | (noun) a small or immature ovum | - |
| (noun) a small body that contains the female germ cell of a plant; develops into a seed after fertilization | - | |
| rivulet | (noun) a small stream | Synonyms: rill, run, runnel, streamlet |
| valvule | (noun) a small valve | Synonyms: valvelet, valvula |