PRICKLY-SEEDED SPINACH Meaning of PRICKLY-SEEDED SPINACH in English | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun : spinach 1 — compare round-seeded spinach Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012