| Term | Description |
| Quarter (1) | One of the ordinaries (also called franc-quartier), occupying one-fourth of the shield, and usually placed in dexter chief. If placed in sinister chief, this must be specified. The diminutive of the quarter is the canton, of two-thirds its area. |
| Quarter (2) | 1. To add to other arms on a shield; to bear as an appendage to the hereditary arms.
2. To be quartered. GRAND QUARTER - the same as sub-quarter SUB-QUARTER - A quarter set aside in quartering arms out of the regular order for the royal arms or for an heiress when her quarterings are not broken. |
| Quartered | A term sometimes applied to the cross when voided in the center; as "a cross quartered." |
| Quartering | The arrangement of two or more coats of arms on one shield to form one bearing, as for instance, the royal arms of England, where those of the several countries are conjoined; when a man inherits from both father and mother the right to bear arms; when an alliance of one family with the heiress of another is to be perpetuated. When only two coats are quartered on one shield, as in the case of marriage, the first and fourth quarters display the arms of the husband; the second and third, those of the wife. In quartering arms, the shield may be divided into as many squares as necessary, and the first coat (that of the bearer) may be repeated or not to make up an even number. |
| Quarterly | Placed in quarters; an escutcheon divided into quarters |
| Quarter-pierced | Said of a cross when the central square is removed; as, a cross quarter-pierced. |
| Quatrefoil | A four-leaved grass. This is frequently seen in heraldry |
| Queue furchee | The same as double queued |
| Quilled | This term is used in describing a feather when the quill differs in color from the rest |