Tack



GRE

解释

GRE 红宝书

• n.大头钉, 图钉
• ［英］ n.大头钉, 图钉 ( a small short sharp-pointed nail having a broad flat head)
• ［记］ 注意不要和tact ( 机智) 相混

Webster Collegiate

kI. verb

• Etymology: Middle English takken, from tak
• Date: 14th century
• transitive verb
  • 1. attach; especially to fasten or affix with tacks
  • 2. to join in a slight or hasty manner
  • 3.
    • a. to add as a supplement
    • b. to add (a rider) to a parliamentary bill
  • 4. to change the direction of (a sailing ship) when sailing close-hauled by turning the bow to the wind and shifting the sails so as to fall off on the other side at about the same angle as before
• intransitive verb
  • 1.
    • a. to tack a sailing ship
    • b. of a ship to change to an opposite tack by turning the bow to the wind
    • c. to follow a course against the wind by a series of tacks
  • 2.
    • a. to follow a zigzag course
    • b. to modify one's policy or attitude abruptly
• ? tacker noun

II. noun

• Etymology: Middle English tak fastener, rope tying down the windward corner of a sail, from Middle French (Norman dialect) taque; akin to Middle Dutch tac sharp point
• Date: 1574
• 1. a small short sharp-pointed nail usually having a broad flat head
• 2.
  • a. the direction of a ship with respect to the trim of her sails <starboard tack>
  • b. the run of a sailing ship on one tack
  • c. a change when close-hauled from the starboard to the port tack or vice versa
  • d. a zigzag movement on land
  • e. a course or method of action; especially one sharply divergent from that previously followed
• 3. any of various usually temporary stitches
• 4. the lower forward corner of a fore-and-aft sail
• 5. a sticky or adhesive quality or condition

III. noun

• Etymology: origin unknown
• Date: 1841
• hardtack 1

IV. noun

• Etymology: perhaps short for tackle
• Date: 1924
• stable gear; especially articles of harness (as saddle and bridle) for use on a saddle horse

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