#ticks

• Switchmen — The plural form of the masculine noun acar; it designates multiple railway switchmen responsible for operating track switches within a railway station. Secondarily and colloquially (originating from an occasional literal mistranslation of scientific jargon), the term is sometimes conflated with mites and ticks belonging to the subclass Acari (acarieni).
• Acarology — A specialized branch of zoology (specifically of arachnology) that deals with the academic, taxonomic, anatomical, and ecological study of mites and ticks. Applied acarology holds fundamental importance in human medicine, veterinary medicine, and agriculture, focusing on researching crop-damaging species, disease transmission vectors (such as Lyme disease), and developing biochemical control methods.
• Celery stalks — A commercial and gastronomic name currently used (borrowed from Spanish or Italian) for celery stalks or Pascal celery (Apium graveolens var. dulce). It is characterized by long, fleshy, crunchy, and aromatic stalks, widely used raw in salads, soups, detoxifying juices, or Mediterranean culinary dishes.
• Arachnid — An alternative spelling variant for arahnidă (arachnid); any arthropod invertebrate belonging to the class Arachnida, characterized by a body divided into two distinct regions (prosoma and opisthosoma), the lack of antennae and wings, the presence of chelicerae and pedipalps, and exactly four pairs of articulated walking legs. As an adjective, it describes any anatomical, biological, or behavioral trait pertaining to this massive group which includes spiders, scorpions, ticks, and harvestmen.
• Arachnid — Any arthropod invertebrate belonging to the class Arachnida, characterized by a body divided into two distinct regions named cephalothorax (prosoma) and abdomen (opisthosoma), the total lack of antennae and wings, the presence of chelicerae and pedipalps as mouth appendages, and exactly eight articulated legs destined for terrestrial locomotion. As an adjective, it describes any structural, biological, or behavioral trait specific to this vast group including spiders, scorpions, ticks, and harvestmen.
• Arachnid — Any arthropod invertebrate belonging to the class Arachnida, characterized by a body divided into two distinct regions, the cephalothorax and abdomen, the total lack of antennae and wings, the presence of chelicerae and pedipalps, and exactly eight articulated walking legs. The term defines both scientifically and popularly the members of a vast and adaptable group of terrestrial predators or parasites, including spiders, scorpions, mites, and ticks.