Lexical Definition

‎אָמֹץ‎ ʼâmôts (aw-mohts') strong ^H:A
probably from ‎אָמַץ‎

bay.

• of a strong color, i.e. red (others fleet)

1) strong
2) bay, dappled, piebald (of colour)

Brown-Driver-Briggs

[‎אָמֹץ‎] adjective strong, only plural ‎אֲמֻצִּים‎ of horses Zech 6:3; Zech 6:7 (in vZech 6:7 perhaps read ‎אֲדֻמִּים‎, compare vZech 6:2, & Hi; see another view in Lag^{BN 29}).

Brown-Driver-Briggs References