1. killed; `slain' is formal or literary as in "slain warriors"; - Example: "a picture of St. George and the slain dragon"
The Collaborative International Dictionary of English v.0.48:
Slay \Slay\, v. t. [imp. Slew; p. p. Slain; p. pr. & vb. n.
Slaying.] [OE. slan, sl?n, sleen, slee, AS. sle['a]n to
strike, beat, slay; akin to OFries. sl[=a], D. slaan, OS. &
OHG. slahan, G. schlagen, Icel. sl[=a], Dan. slaae, Sw. sl?,
Goth. slahan; perhaps akin to L. lacerare to tear to pieces,
Gr. ????, E. lacerate. Cf. Slaughter, Sledge a hammer,
To put to death with a weapon, or by violence; hence, to
kill; to put an end to; to destroy.
With this sword then will I slay you both. --Chaucer.
I will slay the last of them with the sword. --Amos ix.
I'll slay more gazers than the basilisk. --Shak.
Syn: To kill; murder; slaughter; butcher.
WordNet (r) 3.0 (2006):
adj 1: killed; `slain' is formal or literary as in "slain
warriors"; "a picture of St. George and the slain dragon"
n 1: people who have been slain (as in battle)