spear

The old photograph shows the spear side of the family, with the grandfather and his sons standing in a row.

用法提示：spear 在此作形容词，修饰 side，表示“男方的、男性家族成员的”。

According to family tradition, the spear heirs inherited the farm, while the daughters received money.

用法提示：spear 作形容词修饰 heirs，说明继承人是家族中的男性成员。

She spent years tracing the spear line of her ancestry back to a small village.

用法提示：spear 作形容词修饰 line，指家族中父系、男性的一脉。