the world > animals > invertebrates > bodies or parts > [noun] > summer eggs (2)
summer egg1855
(usually in plural) a thin-shelled egg that is produced in spring and summer by various (esp. freshwater) invertebrates and develops rapidly; = summer…
summer ovum1855
(usually in plural) a thin-shelled egg that is produced in spring and summer by various (esp. freshwater) invertebrates and develops rapidly; = summ…