† trimenstre, a. Obs. rare.
[f. L. trimenstris, erron. form of trimestris: see trimester.]
Ripening in three months.
| c 1440 Pallad. on Husb. i. 260 Trymenstre seed in heruest forto sowe In londis cold is best. |
So triˈmenstruous, triˈmensual adjs. (rare—0) [f. tri- + menstruous, etc.]: see quots.
| 1656 Blount Glossogr., Trimenstruous, of three moneths age. 1658 in Phillips. 1891 Cent. Dict., Trimensual, happening every three months. |