bladder sphincter
— Noun
– English
~ the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
Blechnum spicant
— Noun
– English
~ fern with erect fronds of Europe and western North America; often cultivated for deer browse
Bruckenthalia spiculifolia
— Noun
– English
~ small evergreen mat-forming shrub of southern Europe and Asia Minor having stiff stems and terminal clusters of small bell-shaped flowers
barn spider
— Noun
– English
~ an orange and tan spider with darkly banded legs that spins an orb web daily; "the barn spider was made famous in E. B. White's book `Charlotte's Web'"