Boyhood/ˈbɔɪhʊd/ Definition 1 of 2Pro Tip 1/3Time Period Refers specifically to male childhood years, not adulthood. Looking back on his boyhood, he cherished the memories. Pro Tip 2/3Nostalgic Flavor Often invokes a sense of nostalgia for one's own past experiences. His boyhood adventures filled him with a sense of longing. Pro Tip 3/3Cultural Differences Boyhood experiences can vary greatly across different cultures. His boyhood in rural India was vastly different from urban America.