Entry: plastron (n.)
In context: "Mario's most comfortable standing and leaning into the support of the police lock he's trying to detach from his canvas plastron and lower, shucking the pack off his back at the same time."
Definition: Fencing. A shield or pad worn to protect the chest. Also fig.
Other: 1755 Ld. Chesterfield Let. 15 Dec. (1932) (modernized text) V. 2169 The several situations which I have been in, having made me long the plastron of dedications, I am become as callous to flattery as some people are to abuse.
SNOOT score: 1
Source: Oxford English Dictionary