Support BladeForums! Paid memberships don't see ads! We use these terms all the time and they are often used interchangeably. What do you think they mean (i.e., how would you define each type of knife)? Are they the same or different? What knives do you think best illustrate each type? Do we need more well-defined categories? ------------------ Hoodoo Why dost thou whet thy knife so earnestly? The Merchant of Venice, Act IV. Scene I.