gastropod

Definition: (noun) Any of various mollusks of the class Gastropoda, such as the snail, slug, cowrie, or limpet, characteristically having a single, usually coiled shell or no shell at all, a ventral muscular foot for locomotion, and eyes and feelers located on a distinct head.
Synonyms: univalve.
Usage: The sound of a shell crushing beneath his foot told him that he had just caused a gastropod's demise.
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Source: The Free Dictionary

coppice

Definition: (noun) A thicket or grove of small trees or shrubs, especially one maintained by periodic cutting or pruning to encourage suckering, as in the cultivation of cinnamon trees for their bark.
Synonyms: thicket, brush, copse, brushwood.
Usage: They determined on walking round Beechen Cliff, that noble hill whose beautiful verdure and hanging coppice render it so striking an object from almost every opening in Bath.
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Source: The Free Dictionary