salsifer Save DMLBS salsifer [CL salsus p. ppl. of sal(l)ere+-fer], (bot., herba ~fera) kind of plant used to produce soda or alkali, glasswort or saltwort (Salicornia or sim.). sal ‥ alkali ‥ fit de herba ~fera que juxta mare complicatis foliis invenitur M. Scot Lumen 242.