This is the verse translation, not a definition of the individual word.
[Remember] when the angels said, “O Mary, Allah gives you glad tidings of a Word from Him[1], whose name will be the Messiah, Jesus, son of Mary; honorable in this world and the Hereafter, and one of those near [to Allah].
Source
[1] Jesus was created like Adam, through Allah’s commanding Word: Be! Thus he is called “the Word of Allah”.