Aglet

A tag or sheath, as of plastic, on the end of a lace, cord, or ribbon
Interrobang

A punctuation mark in the form of a question mark superimposed on an exclamation point
Palindrome

A word, phrase, verse, or sentence that reads the same backward or forward
Defenestration

The act of throwing out a window
Philtrum

The shallow groove running down the center of the outer surface of the upper lip.
Petrichor

The distinctive scent which accompanies the first rain after a long warm dry spell.
Tine

A prong on an implement such as a fork or pitchfork.
Octothorpe

Mononymous

Having a single-word name
Biblioklept

Someone who steals books
Tragus

A small pointed eminence of the external ear
Zugzwang

A situation in which one is disadvantaged by their obligation to make a move.
Tittle

A small diacritic mark, such as an accent, vowel mark, or dot over an i.
Pilcrow

A glyph used to identify a paragraph separator
Contronym

A word with two opposite meanings, e.g. Dust, Weather
Googlegänger

Someone who shares your name, thus ruining your google results
Lunula

The crescent-shaped whitish area of the bed of a fingernail or toenail
Snood

A fleshy excrescence that is a normal part of an animal's body.
Peen

The end of a hammerhead opposite the flat striking surface, often wedge-shaped or ball-shaped
Lemniscate

One of a number of figure-8 curves
Aphthong

A letter or combination of letters employed in spelling a word but not pronounced
Peladophobia

Fear of bald people, or fear of going bald
Lingual Frenulum

A small fold of tissue that secures the motion of a mobile organ in the body -- The tongue in particular.
Ferrule

A metal ring or cap placed around a pole or shaft for reinforcement or to prevent splitting.
Muntin

A strip of wood or metal separating and holding panes of glass in a window.
Grawlix

The use of nonsense symbols to represent profanity.
Vocables

A word considered only as a sequence of sounds or letters rather than as a unit of meaning
Rhinotillexomania

Compulsive Nose-Picking
Acnestis

The part of an animal's skin that it cannot reach to scratch itself - usually the space between the shoulder blades.
Plectrum

A guitar pick!