La'ibah = Thirsty.
Update from another source///
Laiba means a player while Layba means thirsty, a woman who stays away from the water. Both these names are not good. We could not get the meaning of Laiba as "Leader of the Hoors in Jannah" in any dictionary, which you have quoted with the reference of internet.
Allah (Subhana Wa Ta'ala)�knows Best
Darul Uloom Deoband
Hassanah (Haa , Seen, Noon, Alif) = Most pious, most beautiful, name of a lady Sahabi (R.A.)
Zayyana = N/A Seek elsewhere