| Term | Description |
| Talbot | A dog. Specifically a hound whose race is nearly, if not quite extinct. His color was pure white, with large head, broad muzzle and long ears. |
| Tau | The cross of St. Anthony, also called the cross Tau. It derives its name from its resemblance to the Greek letter tau. This cross is somewhat similar to the cross potent. |
| Tenant | Held; holding |
| Tenanted | Tallied or let into another thing; one bearing worked into another bearing; having something let in; as, a cross tenanted -- having rings let into its extremities. |
| Tenne | A tincture of a bright brown, which is considered to represent orange color. This color is almost unknown in English heraldry. In engraving it is represented by diagonal lines from sinister to dexter, traversed by horizontal ones -- a compound of purpure and azure. |
| Tergant | Showing the back part; as, an eagle tergant displayed. |
| Terras | The representation of ground at the bottom of the base of the shield, generally tinctured vert. |
| Thunderbolt | The thunderbolt is represented in heraldry by a twisted bar in pale, inflamed at the ends, surmounting two jagged darts in saltire, between two wings expanded, and usually has streams of fire issuing from the center |
| Tiara | The triple crown worn by the popes of Rome |
| Tierce | Divided into three equal parts of three different tinctures. (Said of the field when so divided.) |
| Tiger | The heraldic tiger has the body of a wolf, the tail of a lion and is studded with tufts of hair. It is not an early bearing, nor is it often seen |
| Torteau | A roundel tinctured gules |
| Tourne | The same as CONTOURNE or REGARDANT |
| Transfixed | Pierced by an arrow or similar weapon. Said of an animal |
| Transfluent | Passing or flowing through the arches of a bridge. (Said of water when so represented.) |
| Transmuted | The same as COUNTERCHANGED |
| Transposed | Reversed; changed to a position opposite of the proper or usual position; as, a pile transposed |
| Traversed | Turned to the sinister side of the shield |
| Treflee | Having a three-lobed extremity or extremities, as a cross. [CROSS BOTTONY.] Ordinaries, such as the bend, are sometimes borne treflee - that is, with trefoils issuing from the side. |
| Trefoil | A charge representing the three-leaved clover. Like the rose, it is generally, though not always, borne without a stalk |
| Trellis, Treille | Cross-barred work; lattice work. It differs from fretty in that the pieces do not interlace under and over, but cross athwart each other, being nailed at the joints. Also called trellis |
| Tressure | A kind of border or hem, being, in fact, a diminutive of the orle, of which it is one-half its breadth. It passes around the field, following the shape and form of the escutcheon, whatever shape it may be;usually borne double
TRESSURE FLEURY - A tressure ornamented with fleur-de-lis on one side, with their ends inward TRESSURE FLEURY-COUNTER-FLEURY - A double tressure ornamented with fleur-de-lis on both sides, the flowers being reversed alternately. |
| Tressured | Provided with a tressure; arranged in the form or occupying the place of a tressure |
| Trian | The aspect of an animal when neither affronte nor gardant, but midway between these positions |
| Tricorporal, Tricorporate | Three bodies conjoined to one head, as a lion; the bodies of three beasts represented issuing from the dexter, sinister and base points, and conjoined to one head in the center of the shield |
| Triparted | Parted into three pieces; having three parts or pieces. This can be applied to the field or to the ordinaries and charges; as, triparted in pale, a cross triparted, etc |
| Triple pile | A truncated pile, ending in three projections |
| Trippant | Having the right forefoot lifted, the other three remaining on the ground, as if trotting. This term is applied to beasts of chase, as a buck, hart, etc., and is the same as passant, which is applied to beasts of prey. |
| Tronconee demembre | Separated; applied to a bearing, such as a cross, cut in pieces and separated, but still retaining it's original form. |
| Truncheon | A baton, or staff of authority |
| Trunked | 1. When the trunk of a tree is of a tincture different from the branches it is said to be trunked of such a tincture.
2. Applied to a tree which has been shorn of its branches and separated from its roots |
| Tusked | Having tusks of a different tincture from that of the body. Said of an elephant, boar, etc |
| Twyfoil | Having only two leaves |