space walk
— Noun
– English
～ any kind of physical activity outside a spacecraft by one of the crew
street-walk
— Verb
– English
～ walk the streets in search of customers; "The prostitute is street-walking every night"
Schizopetalon walkeri
— Noun
– English
～ a dainty South American annual having deeply pinnatifid leaves and racemes of fringed almond-scented purple-white flowers