| Noun | 1. | cudweed - any of numerous plants of the genus Gnaphalium having flowers that can be dried without loss of form or coloreverlasting, everlasting flower - any of various plants of various genera of the family Compositae having flowers that can be dried without loss of form or color | |
| 2. | cudweed - any plant of the genus Filago having capitate clusters of small woolly flower headsflower - a plant cultivated for its blooms or blossoms | |
| 3. | cudweed - perennial cottony-white herb of southwestern United Statesmugwort - any of several weedy composite plants of the genus Artemisia | |