any of several long-winged petrels of the genus Puffinus that appear to shear the water with their wing tips when flying low.
any of several oceanic birds of the genera Puffinus, such as P. puffinus (Manx shearwater), Procellaria, etc, specialized for an aerial or aquatic existence: family Procellariidae, order Procellariiformes (petrels)
- Shear wave
shear wave See secondary wave.
noun 1. Geology. a zone of closely spaced, approximately parallel faults or dispersed displacements.
noun, plural sheatfishes (especially collectively) sheatfish. 1. a large, freshwater catfish, Silurus glanis, inhabiting rivers in central and eastern Europe, sometimes reaching a weight of 400 pounds (181.4 kg). noun (pl) -fish, -fishes 1. the European catfish See silurid (sense 1)
noun, plural sheaths [sheeth z] /ʃiðz/ (Show IPA) 1. a case or covering for the blade of a sword, dagger, or the like. 2. any similar close-fitting covering or case. 3. a condom. 4. Biology. a closely enveloping part or structure, as in an animal or plant. 5. Botany. the leaf base when it forms […]