embryonicsac
nounUK /ˌɛmbriˈɒnɪk sæk/
US /ˌɛmbriˈɑːnɪk sæk/
A little pouch that holds a baby plant or animal while it grows.
The tiny seeds each rested inside an embryonicsac until spring.
OTHER MEANINGS
2. The female gametophyte structure inside a flowering plant's ovule.
Scientists studied the embryonicsac under a microscope to see the egg cell.
3. A protective membrane enclosing a developing animal embryo.
The embryonicsac kept the young fish safe before it hatched.
4. A small container used in labs to culture growing embryos.
The technician placed the sample in an embryonicsac for incubation.