1. A tear.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• edrop,
• wyedrop,
• syedrop,
• dyedrop,
• ryedrop,
• 4yedrop,
• 3yedrop,
• etedrop,
• egedrop,
• ehedrop,
• euedrop,
• e7edrop,
• e6edrop,
• eywdrop,
• eysdrop,
• eyddrop,
• eyrdrop,
• ey4drop,
• eedrop,
• eye drop

• eye-drop.

The adjective form of the word "eyedrop" is "eyedropper".

The plural of the "eyedrop" can be the "eyedrops".

The singular of the "eyedrop" can be the "eyedrop".