貼三部字典的解釋吧：
牛津高階英漢雙解詞典
vermouth
/ ?vm?θ; US v?r?mu?θ; v?ˋmuθ/ n (a) [U] strong white wine flavoured with herbs, drunk as an aperitif (often in strong cocktails) 味美思酒（用作開胃酒, 常調入雞尾酒中）. (b) [C] glass or drink of this 壹杯或壹份味美思酒.
美國傳統詞典（雙解）（汗 不知為何這本字典的音標黏貼過來是亂碼，就算補充下語源吧）
vermouth
ver.mouth
n.（名詞）
A sweet or dry wine flavored with aromatic herbs and used chiefly in mixed drinks.
味美思酒，苦艾酒：用芳香植物調味的並主要用於混合飲料中的壹種甜而不含水的酒
語源:
1. French vermout
法語 vermout
2. from German Wermut
源自 德語 Wermut
3. from Middle High German wermuot [wormwood]
源自 中古高地德語 wermuot [苦艾]
4. from Old High German wermuota
源自 古高地德語 wermuota
朗文當代英語詞典
vermouth
ver·mouth /?vm?θ US v?r?mu?θ/ n [U]
[Date: 1800-1900; Language: French; Origin: vermout, from German wermut 'wormwood']
an alcoholic drink made from wine with herbs and spices
dry vermouth