A hard-shelled seed.
A piece of metal, usually square or hexagonal in shape, with a hole through it having machined internal threads, intended to be screwed onto a bolt or other threaded shaft.
A crazy person.
The head.
Monthly expense to keep a venture running.
The amount of money necessary to set up some venture; set-up costs.
A stash of money owned by an extremely rich investor, sufficient to sustain a high level of consumption if all other money is lost.
On stringed instruments such as guitars and violins, the small piece at the peghead end of the fingerboard that holds the strings at the proper spacing and, in most cases, the proper height.
En, a unit of measurement equal to half of the height of the type in use.
An extravagantly fashionable young man. 1910s-1920s
A testicle.
Semen, ejaculate.
Orgasm male, ejaculation, release of semen
An extreme enthusiast.
A shaped piece of metal, threaded by a wire loop, which is jammed in a crack in the rockface and used to protect a climb. (Originally, machine nuts [sense #2] were used for this purpose.)
The best possible hand of a certain type, for instance: "nut straight", "nut flush", and "nut full house". Compare t=the best possible hand available.
The tumbler of a gunlock.
A projection on each side of the shank of an anchor, to secure the stock in place.
To gather nuts.
To hit deliberately with the head; to headbutt.
To ejaculate.
The core, center, or essence of an object or system.
The central (usually edible) part of a nut, especially once the hard shell has been removed.
A single seed or grain, especially of corn or wheat.
The stone of certain fruits, such as peaches or plums.
A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.
The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
The core engine of any complex software system.
A function used to define an integral transform.
A set of pairs of a mapping's domain which are mapped to the same value.
For a given function (especially a linear map between vector spaces), the set of elements in the domain which are mapped to zero; given f : X → Y, the set {x ∈ X : f(x) = 0}.
For a category with zero morphisms: the equalizer of a given morphism and the zero morphism which is parallel to that given morphism.
The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).
The human clitoris.
The nucleus and electrons of an atom excluding its valence electrons.
