Warhammerer noun1 •A player of the British tabletop miniature wargame Warhammer or its science fiction counterpart Warhammer 40,000.IAN WATSON, modest as ever, `reports on the launch of his _Warhammer 40,000: Harlequin_ in the Birmingham National Indoor Arena on 23 Oct, amidst a horde of 5,000 Warhammerers. — 1994 formsWarhammerers