cross-hair
n.
also crosshair, cross-hairs, 1755, of a telescope, 1780 in gunnery, from cross- + hair, n.. Also often in early 19c. spider-line, spider's-line (1819).
| 词汇 | cross-hair |
| 词根词缀 | Online Etymology Dictionary cross-hair n. also crosshair, cross-hairs, 1755, of a telescope, 1780 in gunnery, from cross- + hair, n.. Also often in early 19c. spider-line, spider's-line (1819). |
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