† proˈportionary Obs. rare.
[f. proportion n. + -ary1.]
1. Proportional arrangement of parts; proportion.
| 1494 Fabyan Chron. Prol. (1533) 2 So to worke yt after his proporcynary That yt may appere to all that shall yt se A thynge ryght perfyte, and well in eche degre. |
2. One who is skilled in computing proportions.
| 1627 Pres. St. Eng. in Harl. Misc. (Malh.) III. 555 Professors of a rare and strange art or science, who are called Proportionaries... If you deliver one of these a bone of your grandfather's little finger, he will by that find the proportion of all his bones, and tell you to an inch how tall a man your grandfather was. |