Thursday Morning Riddle

I’m held early on Sunday, or Saturday late;
A quick way of referring to Boston’s home state;
The destruction some weapons are known to create;
And the measure of matter, established by weight.

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Asher Says:

    Mass

  2. Bill Says:

    MASS is correct. Way to go, Asher!

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