| tricycle |
a three-wheeled vehicle usually ridden by pushing pedals with one's feet. |
| tricyclic |
of a molecule, having three fused rings of atoms. [2 definitions] |
| tricyclic antidepressant |
any of a class of drugs, such as amitriptyline, having three fused rings of atoms and used esp. to treat depression. |
| trident |
a fishing or fighting spear with three prongs, sometimes shown in portrayals of Greek and Roman sea gods. |
| tridentate |
having three teeth, toothlike projections, or parts. |
| tried |
past tense and past participle of try. [3 definitions] |
| triennial |
happening every three years. [3 definitions] |
| trier |
a person or thing that tries, samples, or tests. |
| trifacial |
see "trigeminal." |
| trifid |
divided or cleft into three distinct lobes, as the leaves of certain plants. |
| trifle |
something that has very little value or importance. [6 definitions] |
| trifling |
of little importance, meaning, or value; slight; trivial. [2 definitions] |
| trifocal |
of eyeglasses, having three lenses of different focal lengths. [2 definitions] |
| trifoliate |
having three leaves, leaflets, lobes, or the like. [2 definitions] |
| trifoliolate |
having three leaflets, or having leaves that have three leaflets, as clover. |
| trig |
(informal) trigonometry. |
| trigeminal |
of or pertaining to the trigeminal nerve. |
| trigeminal nerve |
either one of the fifth pair of cranial nerves that conduct impulses from the head and face to the brain. |
| trigger |
a small lever that when pressed or pulled causes a firearm to fire, or a similar lever on another device or machine. [4 definitions] |
| trigger finger |
the finger used to pull the trigger of a gun, usu. the index finger. |
| trigger-happy |
(informal) ready to use force, esp. by firing a gun, at the slightest provocation, regardless of consequences. [2 definitions] |