| BISECTRIX | • bisectrix n. The line bisecting the angle between the optic axes of a biaxial crystal. • BISECTRIX n. the bisector of the angle between the optic axes of a crystal. |
| DICTATRIX | • dictatrix n. (Archaic) A female dictator. • DICTATRIX n. a female dictator, also DICTATRESS. |
| DIRECTRIX | • directrix n. A female who directs; a directress. • directrix n. (Geometry) A line used to define a curve or surface; especially a line, the distance from which a point… • DIRECTRIX n. a female director, also DIRECTRESS, DIRECTRICE. |
| DISTRIXES | • DISTRIX n. the splitting of hair ends. |
| EDITRIXES | • editrixes n. Plural of editrix. • EDITRIX n. a female editor, also EDITRESS. |
| EXECUTRIX | • executrix n. (Chiefly law) A female executor. • EXECUTRIX n. a woman exercising the functions of an executor, also EXECUTRESS. |
| FELLATRIX | • fellatrix n. A woman who performs fellatio. • FELLATRIX n. a female who fellates. |
| MEDIATRIX | • mediatrix n. A female mediator. • mediatrix n. (Geometry) The line that is perpendicular to a line segment and intersects the line segment at its midpoint. • MEDIATRIX n. (archaic) a female mediator, also MEDIATRESS. |
| ORATRIXES | • oratrixes n. Plural of oratrix. • ORATRIX n. (Latin) a female orator, also ORATRESS. |
| PISCATRIX | • piscatrix n. (Historical) A female fishmonger in ancient times. • piscatrix n. (Humorous) A female angler. • PISCATRIX n. a (female) angler. |
| SUBMATRIX | • submatrix n. (Mathematics) A matrix formed by selecting certain rows and columns from a larger matrix. • SUBMATRIX n. part of a matrix. |
| TESTATRIX | • testatrix n. (Law) A female testator. • TESTATRIX n. a (female) person who leaves a valid will at death. |
| TORTRIXES | • tortrixes n. Plural of tortrix. • TORTRIX n. a kind of small moth. |
| VICTRIXES | • VICTRIX n. (Latin) a female victor, also VICTORESS, VICTRESS. |