What is the meaning of word fragma?

The word "fragma" is not a common English word. However, it is a Greek word that can have several meanings depending on context. Here are some possibilities:

* Fragma (φράγμα) can mean "barrier," "fence," "wall," or "enclosure." This meaning is often used in biology and refers to a dividing wall or membrane within a cell or structure.

* Fragma can also be a plural form of "fragment," though this is less common.

If you provide more context or the sentence where you encountered "fragma," I may be able to give you a more specific answer.