a shrub or small tree, Frangula alnus, of Eurasia and northern Africa, having nonedible red fruit that turns black when ripe.
a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
any shrub or tree belonging to the genus Alnus, of the birch family, growing in moist places in northern temperate or colder regions and having toothed, simple leaves and flowers in catkins. any of various trees or shrubs resembling an alder. Kurt [kurt;; German koo rt] /kɜrt;; German kʊərt/ (Show IPA), 1902–58, German chemist: Nobel […]
any of several dark-colored neuropterous insects of the family Sialidae, the larvae of which are aquatic and predacious on other aquatic insects.
- Alder flycatcher
a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher) Historical Examples Throat white, upperparts bright, light olive-green, without tinge of brown as in the alder flycatcher. What Bird is That? Frank […]
- Alder fly
any of several dark-colored neuropterous insects of the family Sialidae, the larvae of which are aquatic and predacious on other aquatic insects. Historical Examples All trout, particularly rainbows, take an alder fly readily. Chats on Angling H. V. Hart-Davis noun any of various neuropterous insects of the widely distributed group Sialoidea, such as Sialis lutaria, […]