relating to an animal's ability to return to a place or territory after travelling a distance away from it (动物在远行后)有返回原地能力的,有返回性的 a strong homing instinct. 强烈的返回本能。 ■(of a pigeon) trained to fly home from a great distance and bred for long-distance racing 信鸽的 ■(of a weapon or piece of equipment) fitted with an electronic device that enables it to find and hit a target (武器、设备)有导航设备的