The difference between Biscuit and Dowel

Biscuit as a noun (chiefly, UK, Australia, Ireland, NZ, rare in the US):

A small, flat, baked good which is either hard and crisp or else soft but firm: a cookie.

Biscuit as a noun (chiefly, North America):

A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet.

Biscuit as a noun (UK):

A cracker.

Biscuit as a noun (nautical):

The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes and slowly baked, and which often became infested with weevils.

Biscuit as a noun:

A form of unglazed earthenware.

Biscuit as a noun:

A light brown colour.

Biscuit as a noun (woodworking):

A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear.

Biscuit as a noun (US, slang):

A plastic card bearing the codes for authorizing a nuclear attack.

Biscuit as a noun (US, slang, hiphop):

A handgun, especially a revolver.

Biscuit as a noun (ice hockey):

A hockey puck.

Dowel as a noun:

A pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position.

Dowel as a noun:

A wooden rod, as one to make short pins from.

Dowel as a noun (construction):

A piece of wood or similar material fitted into a surface not suitable for fastening so that other pieces may fastened to it.

Dowel as a verb (transitive):

To fasten together with dowels.

Dowel as a verb (transitive):

To furnish with dowels.