Found 2 items, similar to Robber fly.
English → English (WordNet) Definition: robber fly robber fly n : swift predatory fly having a strong body like a bee with the proboscis hardened for sucking juices of other insects captured on the wing [syn: bee killer]
English → English (gcide) Definition: Robber fly Robber \Rob"ber\, n. One who robs; in law, one who feloniously takes goods or money from the person of another by violence or by putting him in fear. [1913 Webster] Some roving robber calling to his fellows. --Milton. [1913 Webster] Syn: Thief; depredator; despoiler; plunderer; pillager; rifler; brigang; freebooter; pirate. See Thief. [1913 Webster] Robber crab. (Zo["o]l.) (a) A purse crab. (b) Any hermit crab. Robber fly. (Zo["o]l.) Same as Hornet fly, under Hornet. Robber gull (Zo["o]l.), a jager gull. [1913 Webster]