The difference between Receptacle and Thalamus

Receptacle as a noun:

A container.

Receptacle as a noun (botany):

The part of the flower stalk (peduncle or pedicel) to which the floral parts are attached; a thalamus, a torus. In the Asteraceae (aster or sunflower family), the end of the peduncle to which all of the florets of the flower head are attached.

Receptacle as a noun (phycology):

A structure at the end of a branch of an alga containing conceptacles (reproductive organs).

Receptacle as a noun (zoology):

An organ that receives and holds a secretion.

Receptacle as a noun (electricity, US):

A contact device installed at an outlet for the connection of an attachment plug (typically by receiving the plug's prongs) to supply portable appliances or equipment.

Thalamus as a noun (anatomy):

Either of two large, ovoid structures of grey matter within the forebrain that relay sensory impulses to the cerebral cortex.

Thalamus as a noun (botany):

The receptacle of a flower; a torus.

Thalamus as a noun:

A thallus.

Thalamus as a noun:

An inner room or nuptial chamber.