noun
baby spider; spiderling
Refers to a young spider, often seen in clusters after hatching.
蜘蛛の子がたくさん孵化した。
Many baby spiders hatched.
蜘蛛の子を散らすように逃げる。
They scatter like baby spiders.
蜘蛛 means 'spider' in general, while 蜘蛛の子 specifically means 'baby spider' or 'spiderling'.
Compound of 蜘蛛 (kumo, 'spider') + の (no, possessive particle) + 子 (ko, 'child').