a. [ NL., acarus a mite + -oid. ] (Zool.) Shaped like or resembling a mite. [ 1913 Webster ]

n. [ Arum + -oid. ] (Bot.) Any plant of the Arum family (Araceæ); -- have small flowers massed on a spadix surrounded by a large spathe.
Syn. -- arum [ Webster 1913 Suppl. + WordNet 1.5 ]

/mhw>, a. [ Arum + -oid. ] (Bot.) Belonging to, or resembling, the Arum family of plants (Araceae).
Syn. -- araceous [ 1913 Webster ]

interj. [ Cf. Prov. E. rynt, rynt thee, roynt, or runt, terms used by milkmaids to a cow that has been milked, in order to drive her away, to make room for others; AS. r&ymacr_;man to make room or way, fr. rūm room. The final t is perh. for ta, for thou. Cf. Room space. ] Stand off, or begone. [ Obs. ] [ 1913 Webster ]

Aroint thee, witch, the rump-fed ronyon cries. Shak. [ 1913 Webster ]

v. t. To drive or scare off by some exclamation. [ R. ] “Whiskered cats arointed flee.” Mrs. Browning. [ 1913 Webster ]

n. [ See Carrion. ] Dead body; carrion. [ Obs. ] Chaucer. [ 1913 Webster ]

a. [ NL. Formicarius, the typical genus + -oid. ] (Zool.) Like or pertaining to the family Formicaridæ or ant thrushes. [ 1913 Webster ]

a. [ Larus + -oid. ] (Zool.) Like or belonging to the Gull family (Laridæ). [ 1913 Webster ]

{ } a. [ L. saccharon sugar + -oid: cf. F. saccharoïde. ] Resembling sugar, as in taste, appearance, consistency, or composition; as, saccharoidal limestone. [ 1913 Webster ]

a. [ Samara + -oid. ] (Bot.) Resembling a samara, or winged seed vessel. [ 1913 Webster ]

a. [ Scarus + -oid. ] (Zool.) Of or pertaining to the Scaridae, a family of marine fishes including the parrot fishes. [ 1913 Webster ]

a. [ L. sparus the gilthead + -oid: cf. F. sparoïde. ] (Zool.) Of or pertaining to the Sparidae, a family of spinous-finned fishes which includes the scup, sheepshead, and sea bream. -- n. One of the Sparidae. [ 1913 Webster ]