Term: ethmoid sinus: a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: number: the property possessed by a sum or total or indefinite quantity of units or individuals
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: dusty miller: a plant having leaves and stems covered with down that resembles dust
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: assemblywoman: a woman assemblyman
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: catholic church: any of several churches claiming to have maintained historical continuity with the original Christian Church
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: conveyance: something that serves as a means of transportation
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: torturer: someone who inflicts severe physical pain (usually for punishment or coercion)
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: rainbow seaperch: Pacific coast fish
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: man of action: someone inclined to act first and think later
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: fascination: the state of being intensely interested (as by awe or terror)
Broader: sinus: any of various air-filled cavities especially in the bones of the skull | Unrelated: four-part harmony: harmony in which each chord has four notes that create four melodic lines