A main entry word, in the context of dictionaries and glossaries, is the word that is being defined or explained. It is typically printed in bold or highlighted in some way to indicate its significance and differentiate it from its definition or explanation. The main entry word gives the user the subject matter of the entry. It is usually listed in alphabetical order for easy navigation and lookup.

To make, or to become, less stupid or naive

lost in thought; showing preoccupation

Hydnocarpus kurzii, also known as Chaulmoogra tree, is a tree species in the family Achariaceae. Its native to Southeast Asia and is known for its unusual, dark-striped seeds and its significant medicinal value. The oil extracted from the seeds of this tree has been used for the treatment of leprosy and other skin diseases.

in an unconstitutional manner

A centrefold generally refers to a newspaper, magazine, or brochure layout that uses a large two-page photograph or feature article in the central, or middle pages, which are designed to be opened and spread out flat. Historically, in some adult magazines, this term specifically referred to a full-page photograph of a nude or semi-nude woman.

something of sentimental value

of or resembling a slug

The Victorian Age, also known as the Victorian Era, was the period of Queen Victorias reign in the United Kingdom, from June 1837 until her death in January 1901. It was a time of significant social, political, and economic change, marked by the industrial revolution, expansion of the British Empire, social reforms, and development in arts, science, and technology. This era is often associated with prudish, middle-class standards of social behavior and morality.

venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood

un-prof′i-ta-bl, adj. not profitable: bringing no profit: serving no purpose.—n. Unprof′itableness.—adv. Unprof′itably.—adjs. Unprof′ited, profitless; Unprof′iting, unprofitable.

Jack pine, Pinus banksiana, is an eastern North American pine. Its native range in Canada is east of the Rocky Mountains from Northwest Territories to Nova Scotia, and the north-central and northeast of the United States from Minnesota to Maine, with the southernmost part of the range just into northwest Indiana.
In the far west of its range, Pinus banksiana hybridizes readily with the closely related lodgepole pine. Banksiana is after the English botanist Sir Joseph Banks.