tacking

Short definition from Wiktionary

Verb

1. 1
   present participle and gerund of tack

Noun

1. 1
   Loose temporary stitches in dressmaking etc.
2. 2
   The act of changing tack.
3. 3
   A union of securities given at different times, all of which must be redeemed before an intermediate purchaser can interpose a claim.
4. 4
   The joining together of consecutive periods of possession of property, especially between squatters in cases of adverse possession.