SALTWEED Meaning of SALTWEED in English ˈ ̷ ̷ˌ ̷ ̷ noun 1. : toad rush2. : samphire 43. : an annual silvery weed ( Atriplex argentea ) found in various alkaline and dry regions of No. America Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012