From Irish sleán.
slean (plural sleans)
- (Hiberno-English) Alternative spelling of slane.
Old English 
From an earlier form *slehan, from Proto-Germanic *slahaną. Cognate with Old Saxon slahan (Dutch slaan), Old High German slahan (German schlagen), Old Norse slá (Danish and Swedish slå), Gothic 𐍃𐌻𐌰𐌷𐌰𐌽 (slahan).
- IPA: /slæːɑn/
slēan (strong class VI)
- to beat, strike
- to kill (especially violently); to slay
- Slogan fram eastsæ oð westsæ ond him nænig wiðstod. They slew from the east-sea to the west-sea and none withstood them. (Bede)
- to slaughter (an animal) for food
Derived terms 
- English: slay