1. Noun
A fieldwork consisting of two faces, forming a salient angle, and two parallel flanks. See Bastion.
2. Noun
A half horseshoe, which wants the sponge.
3. Noun
A kind of watch crystal which is more than ordinarily flattened in the center; also, a species of convexoconcave lens for spectacles.
4. Noun
A piece of felt to cover the eye of a vicious horse.
5. Noun
Any surface of semicircular or segmental form; especially, the piece of wall between the curves of a vault and its springing line.
6. Noun
An iron shoe at the end of the stock of a gun carriage.
7. Noun
temporary fortification like a detached bastion
Vocabulary classified under Engineering
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