noggin

noun4

1. •
   A small mug, cup or ladle; the contents of such a container.

   • Here Nat Adams, the burly bar-keeper, dispensed bad whisky at the rate of two shillings a noggin, or a guinea a bottle… — 1889
2. •
   (slang) The head.

   • Or maybe he bumped his noggin when he fell down—after he got clipped on the legs. — 2003
3. •
   A small measure of spirits equivalent to a gill.
4. •
   A signalling molecule involved in embryo development, producing large heads at high concentrations.