Noun | 1. | lycaenid - any of various butterflies of the family Lycaenidae butterfly - diurnal insect typically having a slender body with knobbed antennae and broad colorful wings family Lycaenidae, Lycaenidae - family of small usually brilliantly colored butterflies; males have short forelegs blue - any of numerous small butterflies of the family Lycaenidae copper - any of various small butterflies of the family Lycaenidae having coppery wings hairstreak, hairstreak butterfly - small butterflies having striped markings under the wings |