My cat does this as well when a bird is close by.....they think they are going native with the lingo. Unless he is taking a course on the internet while I am out, my bird is just pretending to speak beak talk.
acorn - fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base. acorn cup, cupule - cup-shaped structure of hardened bracts at the base of an acorn. oak tree, oak - a deciduous tree of the genus Quercus; has acorns and lobed leaves; great oaks grow from little acorns. fruit - the ripened reproductive body of a seed plant.
The acorn has long been valued for its potential strength and virility, and was a widespread symbol of regeneration. From the little acorn springs the mighty oak, prompting various cultures to see in it the qualities of fecundity and patience, and urging those who start small projects to persevere.In ancient cultures, the acorn was taken as a talisman to ward off evil spirits.he oak has long been associated with England, and its fruit, the acorn, frequently showing up in heraldry as a symbol of antiquity and strength. Shown with leaves, the acorn represents new growth and development. Beloved by royalty, the acorn was embroidered into cloth as symbols of fertility and life.