A small, immature tick larva.

Eggcorn of sea change.

(sociology) Behaviour that is characterized by both the desire and the ability to progress towards an ideal by choosing a new goal when a previous one has been met or the effort to meet it has failed.

(agriculture) Seed that is saved from one year's harvest for the subsequent year's planting, rather than being used to make flour etc.

A type of corn (callus) composed of multiple small lesions, typically caused by uneven pressure on the foot while walking.

(US) hide and seek

(of a plant) To pass from flowering or ripening to the formation of seeds. / (figuratively, by extension) To deteriorate; to decline into an unkempt or debased condition.

Mindful of, or promoting, only one's own interests. / (military, of a missile, not comparable) That searches for a target automatically.

The selfish promotion of one's own interests.

A self-seeking person.