noun🔗ShareArmiñoMustela erminea, the ermine or short-tailed weasel, a mustelid native to Eurasia and North America, distinguished from the least weasel by its larger size and longer tail with a prominent black tip."The stoat darted across the schoolyard, its black-tipped tail a flash of dark against the grass. "El armiño se abalanzó por el patio de la escuela, su cola con punta negra un destello oscuro contra la hierba.animalnaturebiologyecologyChat with AIVocabulary GamePractice Reading