Noun
a widely naturalized Eurasian herb with finely cut foliage and white compound umbels of small white or yellowish flowers and thin yellowish roots
Source: WordNetMany plants in this family, such as parsnips (Pastinaca sativa), carrots (Daucus carota) and Hamburg parsley (Petroselinum crispum), produce tap roots that are large enough to be useful as food. Source: Internet