(chiefly US, dated, idiomatic) Having no physically attractive characteristics, but not blatantly ugly; very plain in appearance.

(surgery) A surgical operation on the heart while a machine keeps the blood flowing.

(transitive with to) (figuratively) To speak honestly and vulnerably about one's feelings. / To show great compassion.

plural of open-heart surgery

Poecile cinctus, a small bird of the tit family Paridae

Alternative form of tighthead

Alternative form of loosehead

Oxyura leucocephala, an arctic sea bird in the family Anatidae

(US) corrupt urban political operative

(obsolete) A worthless literary attempt; a piece of bad writing.