| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Noun | 1. A straight line considered as drawn from a center to an indefinite distance in one direction, the complete ray being the whole line drawn to an indefinite distance in both directions.[Websters]. | |
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"Half-ray" is a common misspelling or typo for: half-day. |
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Date "Half-ray" was first used in popular English literature: sometime before 1914. (references) |
| Part of Speech | Definition | |
| Noun | 1. A straight line considered as drawn from a center to an indefinite distance in one direction, the complete ray being the whole line drawn to an indefinite distance in both directions.[Websters]. | |
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Date "HALF-RAY" was first used in popular English literature: sometime before 1914. (references) |