toothˈbrush noun

A brush for cleaning the teeth

toothbrush moustache noun

A small stiff moustache

toothˈcomb noun

A fine-tooth(ed) comb (qv under fine¹)

toothˈ-drawer noun (Shakespeare)

An extractor of teeth

toothˈ-drawing noun and adjective

toothed whale noun

Any whale of the suborder Odontoceti, with a single blowhole and simple teeth

tooth fairy noun (orig US)

A fairy who substitutes a coin for a milk tooth placed under a child's pillow

toothˈfish noun

Any food fish of the southern hemisphere genus Dissostichus

toothˈ-ornament noun

Dogtooth

toothˈpaste (or tooth powder) noun

A paste (or powder) used with a toothbrush to clean the teeth

toothˈpick noun

1. An instrument for picking shreds of food from between the teeth
2. A Bowie knife (US sl)

toothˈ-picker noun (Shakespeare)

1. A toothpick
2. Someone or something that picks teeth, eg the bird trochilus

toothˈshell noun

The tusk shell, Dentalium

toothˈwash noun

A liquid preparation for cleansing the teeth

toothˈwort noun

1. A pale fleshy plant (Lathraea squamaria) of the broomrape family, parasitic on tree-roots, with toothlike scale-leaves
2. The cruciferous coralroot (Cardamine, or Dentaria, bulbifera)

a colt's tooth

An addiction to youthful pleasures

armed to the teeth

Armed as completely as possible, from top to toe

a sweet tooth

A taste for sweet things

by the skin of one's teeth see under skin

cast, throw or fling in someone's teeth

To fling at someone as a taunt or reproach

cut one's eye teeth

1. To cease to be a child
2. To become shrewd

get one's teeth into

To tackle, deal with, vigorously, eagerly, etc

in or to someone's teeth

1. To someone's face
2. In direct affront

in spite of someone's teeth or in the teeth of

In direct opposition to

lie through one's teeth

To lie brazenly

long in the tooth

Elderly, like a horse whose gums are receding with age

set one's teeth on edge see under edge

take the teeth out of

To render harmless or powerless

through clenched teeth

Reluctantly

tooth and nail

With all possible vigour and fury