DCHP-2

jam ((v.)) DCHP-1 (pre-1967)

• 1 v.

  of ice, form into an ice-jam.

  See also: ice-jam  

• 2 v.

  of ships in ice, become caught in an ice-jam.

  See also: ice-jam  

• 3 v.

  of logs, become hung up in a jam (def. 2).

  See also: jam ((n.)) (def. 2)