calamus

• 多义词：可指亚洲热带省藤属棕榈，其茎用于制作藤条；也可指用于医药的芳香菖蒲根；或指一种具剑形叶和芳香根状茎的多年生沼泽植物；还可指羽毛的中空羽轴。

A noun with multiple meanings: it can refer to a tropical Asian palm of the genus Calamus, whose stems are used for rattan; the aromatic root of the sweet flag used medicinally; a perennial marsh plant with swordlike leaves and aromatic roots; or the hollow spine of a feather.

1. Tropical palmC1formal

   Any tropical Asian palm of the genus Calamus, whose light tough stems are a source of rattan canes.

   热带棕榈

   • The calamus palm is widely harvested for its durable stems.
   • Rattan furniture is often made from the stems of calamus palms.
   • Calamus species are native to tropical regions of Asia.

   同义词rattan

2. C1formal

   The aromatic root of the sweet flag plant, used in traditional medicine and perfumery.

   菖蒲根

   • Calamus root has been used for centuries in herbal remedies.
   • The essential oil extracted from calamus is valued in aromatherapy.
   • Traditional healers often prescribe calamus for digestive issues.

3. C1formal

   A perennial marsh plant with swordlike leaves and aromatic roots, also known as sweet flag.

   菖蒲

   • Calamus grows abundantly in wetlands and along riverbanks.
   • The swordlike leaves of the calamus plant are distinctive.
   • This marsh plant, calamus, has been used in various cultural rituals.

   同义词acorus calamusflagrootsweet flag

4. Feather quillC2formal

   The hollow spine of a feather, also known as the rachis or quill.

   羽管

   • The calamus of a feather is hollow and lightweight.
   • Historically, the calamus was used as a writing instrument.
   • Ornithologists study the calamus to understand feather structure.

   同义词quillrachisshaft