(baseball, slang) A hard-hit batted ball hit straight at a fielder in the air for an out.

Bubo bubo, the largest owl, native to almost all of temperate Eurasia.

(statistics) A statistical phenomenon where an individual's likelihood of death appears to increase on or close to their birthday, variously attributed to alcohol consumption, psychological stress, increased suicide risk, and other factors.

the Russian part of the East Asia, between Lake Baikal in Eastern Siberia and the Pacific Ocean

(aviation, informal) An air-cooled multi-row radial piston aircraft engine

superlative form of hard-earned: most hard-earned

comparative form of hard-earned: more hard-earned

Having been obtained with a great deal of effort.

(slang) Money that one owns.

Preoccupation with oneself.