diadem (n.)
crown, sovereign power
1H6 II.v.89 [Mortimer to Richard] Thy father ... / Levied an army, weening to redeem / And have installed me in the diadem
2H6 I.i.244 [York alone] Nor shall proud Lancaster ... wear the diadem upon his head
2H6 I.ii.40 [Duchess to Gloucester] Henry and Dame Margaret ... on my head did set the diadem
2H6 I.ii.7 [Duchess to Gloucester] King Henry's diadem
2H6 IV.i.82 [Lieutenant to Suffolk, of the Queen] Having neither subject, wealth, nor diadem
3H6 I.iv.104 [Queen to York, of the King] will you ... rob his temples of the diadem
3H6 II.i.152 [Warwick to Richard] this strong right hand of mine / Can pluck the diadem from faint Henry's head
3H6 II.ii.82 [Edward to King] set thy diadem upon my head
3H6 IV.vii.66 [Edward to all] Henry but usurps the diadem
Tit I.i.6 [Saturninus to his followers, of his father] the last / That wore the imperial diadem of Rome