notch

\NAHTCH\

noun

1 : a V-shaped hollow in an edge or surface

2 : a narrow pass between two mountains

3 : degree, step

Perhaps the most infamous NOTCH:

- the moment with Emeril Lagasse when things get one step crazier.

[BAM]

An underrated NOTCH:

- the NOTCH signaling pathway between cells that is indispensable to cell-cell communication.

Use of NOTCH in a colloquial adjective:

- Top NOTCH: first rate

NOTCHES I have known:

- a small chip in one of the keys of the major scale on my mother's piano; I cannot recall the particular note.

- I once drove through some mountains in Wyoming

- the second tightest hole on my Swatch band

- five in my headboard (figuratively)