Noun. 1. lassie-a girl or young woman who is unmarried. jeune fille, lass, young girl. bobby-socker, bobbysoxer-an adolescent girl wearing bobby socks (common in the 1940s). fille, girl, miss, missy, young lady, young woman-a young woman; a young lady of 18. Lolita-a sexually precocious young girl.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.[1][2] The word galaxy is derived from the Greek galaxias (Î³Î±Î»Î±Î¾Î¯Î±Ï), literally milky, a reference to the Milky Way.
Astronomy a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. (usually cap.) See Milky Way. any large and brilliant or impressive assemblage of persons or things:a galaxy of opera stars.