名詞 hemlock:

1. poisonous drug derived from an Eurasian plant of the genus Conium
2. large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
   同義詞：poison hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatum
3. soft coarse splintery wood of a hemlock tree especially the western hemlock
4. an evergreen tree
   同義詞：hemlock tree

1. The man was poisoned with hemlock.
   這個(gè)人被用從毒芹提取的毒藥毒死了。

hem.lock

n.（名詞）

Any of various coniferous evergreen trees of the genusTsuga of North America and eastern Asia, having small cones and short, flat leaves with two white bands underneath.
鐵杉屬樹木：北美及東亞鐵杉 屬中松柏科常青樹的一種，有小的孢子葉球及短而平的葉子，葉下有兩條白色的條紋
The wood of such trees, used as a source of lumber, wood pulp, and tannic acid.
鐵杉，鐵杉木：這些樹的木料，用作木材、木漿及丹寧酸的原料

Any of several poisonous plants of the generaConium and Cicuta, such as the poison hemlock.
毒芹屬植物：幾種毒芹 屬及 鐵杉 屬植物中有毒植物的一種，如毒芹
A poison obtained from the poison hemlock.
毒藥：從芹葉鉤吻中提煉出來的毒藥

來源：
Middle English hemlok [poisonous hemlock]
中古英語 hemlok [毒芹，芹葉鉤吻]
from Old English hymlice, hemlic
源自 古英語 hymlice, hemlic