white knight

Noun

 * 1)  An individual or corporation that intends to acquire another company in order to avert a hostile takeover.
 * 2)  A hero, savior, or righteous individual.
 * 3)  Someone who unnecessarily defends someone else.
 * 4)  A man who defends a woman in debate etc. in an attempt to gain her favour.
 * 5) A mushroom of species.
 * 1)  A man who defends a woman in debate etc. in an attempt to gain her favour.
 * 2) A mushroom of species.
 * 1) A mushroom of species.

Translations

 * Chinese:
 * Mandarin: 白騎士, 白武士


 * Esperanto: blanka kavaliro
 * French:
 * German: weißer Ritter
 * Japanese: 白騎士
 * Russian: белый рыцарь
 * Spanish: caballero blanco
 * Ukrainian: білий лицар

Verb

 * 1)  To unnecessarily defend someone, especially in an attempt to gain favour.