noun🔗ShareSierrasAny of various flying insects of the suborder Symphyta whose ovipositor is long and often serrated and is used to cut into plants to lay eggs."The gardener noticed a sawfly cutting into the leaves of his rose bush to lay its eggs. "El jardinero notó una sierra cortando las hojas de su rosal para poner sus huevos.insectanimalnaturebiologyorganismChat with AIVocabulary GamePractice Reading