In a comment on my 9/14/19 posting “Clavicular knobs” (aka Ricardo’s acromia), Robert Coren writes about “the hollow space above the inner end of the collar-bone”, and I confess to not knowing a name for it. Roger Phillips (in England) fills in: It’s not in Merriam-Webster, but all my British dictionaries have “saltcellar” for the … Continue reading The hollow