Expectant

a. [Lat. expectans, expectans, p. pr. of expectare, expectare. See EXPECT.] Having an attitude of expectation; waiting; looking for; in medicine, waiting for the efforts of nature. Swift.

Expectant estate (Law), an estate in expectancy. See EXPECTANCY.

n. One who waits in expectation; one held in dependence by his belief or hope of receiving some good. “Vain expectants of the bridal hour.” Pope. “Those who had employments, or were expectants.” Swift.