IPA: /ˈlækrɪməl/
KK: /ˈleɪ.krɪ.məl/
Relating to tears or the glands that produce tears.
The lacrimal glands are responsible for producing tears to keep the eyes moist.
Lacrimal → It is formed from "lacrima" (meaning tear) and the suffix "-al" (meaning pertaining to). The word "lacrimal" refers to something that pertains to tears, particularly the glands that produce them.
Think of 'lacrima' which means tear, and remember that 'lacrimal' relates to anything pertaining to tears.