Having lower parts made of or covered by copper (especially of a ship or cookware). / (Britain, idiomatic) Thoroughly reliable; secure

(countable, uncountable, business) The final balance; the amount of money or profit left after everything has been tallied. / (idiomatic) The summary or result; the most important information.

The edible fleshy receptacle at the bottom of an artichoke flower.

Of or relating to a hierarchical system that progresses from multiple small subunits to a single, large basic unit.

(plural only) Pants that are flared from the knee downwards, a characteristic style of the 1970s.

(Australia, attributive) A tax avoidance scheme from the 1970s.

(childish, vulgar) A fart.

(idiomatic) The very lowest possible level. / (idiomatic) A period of extreme mental stress, often characterized by being homeless and being rejected by all friends and family.

The last of one's money; all of one's money.

Lowest, closest to the bottom.