grandsire

n. grandfather (Archaic); man who is a person's ancestor (Archaic); forefather; middle-aged man

Grandsire is one of the standard change ringing methods, usually rung on an odd numbers of church bells. Grandsire Doubles is rung on five working bells, Grandsire Triples on seven, Grandsire Caters on nine and Grandsire Cinques on eleven. More often than not an extra non-working bell is rung to cover each of the changes.
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(n.)
Specifically, a grandfather; more generally, any ancestor.
  

grandsire
danh từ (từ cổ, nghĩa cổ) ông; tổ phụ tổ tiên; tổ khảo cụ già
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