morning

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The first or early part of the day, lasting from midnight to noon or from sunrise to noon.
2. n. The dawn.
3. n. The first or early part; the beginning: the morning of a new nation.

Century Dictionary and Cyclopedia

1. n. The first part of the day, strictly from midnight to noon. In a more limited sense, morning is the time from a little before to a little after sunrise, or the time beginning a little before sunrise, or at break of day, and extending to the hour of breakfast, or to noon. Among men of business and people of fashion, the morning is often considered to extend to the hour of dining, even when this occurs several hours after noon.
2. n. Figuratively, the first or early part.
3. n. A morning dram or draught.
4. n. A slight repast taken at rising, some time before what is called breakfast.
5. Pertaining to the first or early part of the day; being in the early part of the day, or before dinner: as, a morning concert.
6. Existing, taking place, or seen in the morning: as, morning dew; morning light; morning service: often used figuratively.

Wiktionary

1. n. The part of the day from dawn to midday.
2. n. The part of the day after midnight and before midday: one o'clock in the morning = 0100 or 1 a.m.

GNU Webster's 1913

1. n. The first or early part of the day, variously understood as the earliest hours of light, the time near sunrise; the time from midnight to noon, from rising to noon, etc.
2. n. The first or early part.
3. n. Poetic The goddess Aurora.
4. adj. Pertaining to the first part or early part of the day; being in the early part of the day

WordNet 3.0

1. n. the first light of day
2. n. a conventional expression of greeting or farewell
3. n. the time period between dawn and noon
4. n. the earliest period