pyxidium

As a noun pyxidium is

(botany) a seed capsule in the form of a box, the seeds being released when the top splits off.

As nouns the difference between pyxidium and pygidium

is that pyxidium is (botany) a seed capsule in the form of a box, the seeds being released when the top splits off while pygidium is (zoology) the caudal plate of trilobites, crustacea]], and certain [[insect|insects.

As a noun pyxidium

is (botany) a seed capsule in the form of a box, the seeds being released when the top splits off.

As an adjective pyxidate is

having a pyxidium.

As nouns the difference between box and pyxidium

is that box is box (rectangular container) while pyxidium is (botany) a seed capsule in the form of a box, the seeds being released when the top splits off.

As a verb capsule

is .

As a noun pyxidium is

(botany) a seed capsule in the form of a box, the seeds being released when the top splits off.

As nouns the difference between seed and pyxidium

is that seed is (senseid)(countable) a fertilized grain, initially encased in a fruit, which may grow into a mature plant while pyxidium is (botany) a seed capsule in the form of a box, the seeds being released when the top splits off.

As a verb seed

is to plant or sow an area with seeds.