osseous

As a letter s

is the letter s with a.

As an adjective osseous is

of, relating to, or made of bone; bony.

As a noun axis

is axis (second vertebra).

As an adjective osseous is

of, relating to, or made of bone; bony.

As an adjective osseous

is of, relating to, or made of bone; bony.

As a noun ichthidin is

a substance from the egg yolk of osseous fishes.

As an adjective osseous

is of, relating to, or made of bone; bony.

As a noun cancellus is

(architecture) a barrier, balustrade or railing, or screen, dividing the main body of a church from the chancel.