ch noun 5verb 1forms 1 noun5 •Abbreviation of chapter (“main section of a book”).Ch 2 secondarily interrupts the flow between chs 1 and 3 (see 2.1–16n.). — 2007 •Abbreviation of channel, in reference to telephones, audio, radio, and television. •Abbreviation of chain (stitch) •Abbreviation of chain (“a unit of measurement equal to 22 yards”). •Abbreviation of chestnut (“a dark reddish-brown colored horse”).NAME OF HORSE (COLOR, SEX, YEAR BORN) Secretariat (ch.s. 1970) — 2014 verb1 •Abbreviation of chain.11 tr into 3rd ch from hook, join with sl st to top of beginning ch 3 (12 tr made) […] Ch 4, sl st to 1st sl st to close. — 2011 formschs