hostis humani generisA person who has committed a criminal act so grave – originally maritime piracy and slave-trading, and now torture as well – that any nation may put on trial and, upon conviction, punish them.
HydaspesThe river Jhelum, on the Indian subcontinent, especially as the location of a battle fought by Alexander the Great against King Porus in 326 BCE.
hydromelMead, especially one of low alcohol content.
hydroparastataea denomination, sect, church, or other group which professes to be Christian but uses water to administer the Eucharist instead of wine.
HydruntumFormer name of Otranto: a city in Apulia, in southeastern Italy.
HygieaAncient Greek goddess of health, cleanliness, and sanitation. Her Roman name is Hygēa/Hygīa or Salus.
hypallageThe use of a grammatical modifier which syntactically modifies an item other than the one it belongs to semantically, generating a connection between the two.
hypateIn ancient musical theory, the lowest-pitched fixed note in the nearer tetrachord on a lyre, always pitched a perfect fourth below the mese, with two movable notes between them, the parhypate (lower in pitch) and the lichanos (higher in pitch).
hyperbatonAn inversion of the usual or logical order of words or phrases, for emphasis or poetic effect.
HyrcaniaA region in the southeastern Caspian Sea, corresponding to parts of modern-day Iran (specifically Northern Iran) and Turkmenistan.
HyrieusA Boeotian man (a king or, sometimes, a peasant) who was the father of the giant huntsman Orion.
-iUsed to form adjectives, nouns, demonyms (describing people of a particular city, region or country) or genonyms (describing people of a particular tribe, clan or family) and the language spoken by these people.
-i-A vowel inserted interconsonantally between morphemes of Latinate origin in order to ease pronunciation (an anaptyxis, a linking vowel).
i-Used to form past participles of verbs. Alternative spelling of y-.
-iaUsed in forming placenames, especially of countries.
IacchusA minor deity of some cultic importance, particularly at Athens and Eleusis in connection with the Eleusinian mysteries.
iambelegusA verse consisting of an iambic dimeter and half an elegiac pentameter.
-icaa collection of things that relate to a specific place, person, theme, etc.
ichneumonologyThe study of ichneumon wasps (Ichneumonidae).
IdaeanPertaining to Mount Ida, the name given to a mountain near ancient Troy, and to a mountain of Crete, sometimes held to be the birthplace of Zeus.
idem sonansIncorrectly spelled, but sufficiently correct to identify someone.
idiologusThe chief financial officer in Egypt when it was part of the Roman Empire.
idolumAn insubstantial image; a spectre or phantom.
impanationThe actual, substantial presence of the body of Christ with the bread and wine of the sacrament of the Lord's Supper — as opposed to transubstantiation.
imparipinnatepinnate with a single leaflet at the apex
impendTo hang or be suspended over (something); to overhang.
in articulo mortisAt the moment of death. (In law, especially canon, or church, law, this expression can mean that someone has been given special permission by a competent authority to enter an organization or to receive some sort of exemption or permission at some point not long before they die, such as receiving diaconal or presbyteral ordination or entering religious profession.)
incantateTo sing or speak formulas and/or rhyming words, often during occult ceremonies, for the purpose of raising spirits, producing enchantment, or creating other magical results.