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Pronunciation varies by accent · noun
(dated) Any of several species of conical gastropod shells in the family Trochidae and genus Astraea in family Turbinidae, the margin of the shells being toothed somewhat like the rowel of a spur..
Use spur-shell when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Spur-shell means (dated) Any of several species of conical gastropod shells in the family Trochidae and genus Astraea in family Turbinidae, the margin of the shells being toothed somewhat like the rowel of a spur..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use spur-shell where its definition matches the intended context.
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