planetarium, n. orrery.

plant, n. [vegetable], herb; pl. flora (plants of a region).

plant, v. [sow]; [settle], [establish].

plant-eaters, n. pl. Herbivora.

plant-eating, a. herbivorous, phytivorous, plantivorous, phytophagous.

plant-eating, n. phytophagy.

plant green. chlorophyll, fecula.

plant louse. [aphis], aphid, aphidian; pl. aphides, aphidæ.

plastic, a. [formative], [creative]; impressible, fictile.

plat, v. [braid], [plait].