Once upon a time, I was tucking into fried chicken at Popeyes, when I heard a teenaged boy at a neighbouring table proclaim, to his friend, something to the effect of, ‘So dumb for them to call these biscuits!’ He was, of course, referring to those light fluffy things that Popeyes serves with their meals (which we Singaporeans would probably call scones).
On hearing that, I could not help but marvel at his ignorance. Did he not know different things could share the same name in different places? Or that the same thing could have different names in different places?
Much later, I came across this interesting article which discusses the meanings of biscuit and cookie in British English and American English respectively.
In my book, a biscuit is thinner and crisper, and often served unadorned, whereas a cookie is chunkier and chewier, and often contains something extra (like chocolate chips). In that respect, my definitions are closer to the British English ones!