Vaikas
Vaikas is a Lithuanian masculine noun meaning "child." It refers to a human child and is grammatically masculine; for a girl child the common term is mergaitė, while the plural vaikai refers to children in general.
Declension follows the pattern of other masculine -as nouns. The nominative singular is vaikas and the nominative
Usage in everyday language is widespread. It is used in phrases such as mano vaikas (my child)
Etymology and origin: the word vaikas is a native Lithuanian term with no widely adopted foreign cognate