(US, idiomatic) A shameful secret.

(UK, idiomatic) A shameful secret.

A very simple design of key that usually has a cylindrical shaft (sometimes called a "shank") and a single, minimal flat, rectangular tooth or "bit".

a book or pad with blank pages for sketching; a sketchbook

(idiomatic) To be (or to place oneself) in a risky, potentially dangerous or delicate situation.

(informal, humorous) Added to a word, name, or phrase to invoke Russianness, Polishness, or a more general Slavicness.

(of horses) Marked with patches of white and non-black colours.

A skewbald horse.

To ski down a mountain or glacier that has been reached by helicopter rather than a normal ski lift.

A slender stick used by skiers in both hands to improve speed and balance.