炯々たる

(1)having brief brilliant points or flashes of light; "bugle beads all aglitter"; "glinting eyes"; "glinting water"; "his glittering eyes were cold and malevolent"; "shop window full of glittering Christmas trees"; "glittery costume jewelry"; "scintillant mica"; "the scintillating stars"; "a dress with sparkly sequins"; "`glistering' is an archaic term"

(2)短時間の明るい点または閃光がある

(1)