Significatio vocis gemma | Babel Free

Definitiones

1. A bud or eye of a plant.
   declension-1, feminine
2. A gem, gemstone, jewel, precious stone.
   declension-1, feminine
3. A thing made of precious stones.
   declension-1, feminine

Aequivalentia

Exempla

“Itaque, ineunte vērē, in eīs quae relicta sunt exsistit — tamquam ad articulōs sarmentōrum — ea quae gemma dīcitur, ā quā oriēns ūvā sē ostendit […] .”

And so, at the start of spring, there emerges from those [parts of the vines] remaining — as if at the “joints” of the twigs — that which is called a bud, from which the emerging grape reveals itself.

Gradus CEFR