heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired
the quality of not putting yourself first but being willing to give your time or money or effort etc. for others; "rural people show more devotion and unselfishness than do their urban cousins"
large or extensive in breadth or importance or comprehensiveness; "the might have repercussions of unimaginable largeness"; "the very extensiveness of his power was a temptation to abuse it"
a greeting or reception; "the proposal got a warm welcome"
the state of being welcome; "don't outstay your welcome"
giving pleasure or satisfaction or received with pleasure or freely granted; "a welcome relief"; "a welcome guest"; "made the children feel welcome"; "you are welcome to join us"