Concise Bible Dictionary:
Eldest daughter of Saul: she was promised to David, but was given to Adriel the Meholathite (1 Sam. 14:49; 1 Sam. 18:17,19). See ADRIEL.
Potts’ Bible Proper Names:
Multiplying; increase; he who fights:―a daughter of Saul, 1 Sam. 14:49. {Multiplicatio}