ladybug(n = noun.animal) lady beetle, ladybeetle, ladybird, ladybird beetle - small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests;
is a kind of beetle
is a member of coccinellidae, family coccinellidae
has particulars: adalia bipunctata, two-spotted ladybug, bean beetle, epilachna varivestis, mexican bean beetle, hippodamia convergens, rodolia cardinalis, vedalia
Same as Ladybird. [1913 Webster]
ladybug, n. US = LADYBIRD.